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The Basics of Google Search

Taken from the Google site with minor changes.

To enter a query into Google, just type in a few descriptive words and hit the 'enter' key (or click on the Google Search button) for a list of relevant web pages. Since Google only returns web pages that contain all the words in your query, refining or narrowing your search is as simple as adding more words to the search terms you have already entered. Your new query will return a smaller subset of the pages Google found for your original "too-broad" query.

Choosing Keywords

For best results, it's important to choose your keywords wisely. Keep these tips in mind:

• Try the obvious first. If you're looking for information on Picasso, enter "Picasso" rather than "painters".
• Use words likely to appear on a site with the information you want. "Luxury hotel dubuque" gets better results than "really nice places to spend the night in Dubuque".
• Make keywords as specific as possible. "Antique lead soldiers" gets more relevant results than "old metal toys".

Automatic "and" Queries

By default, Google only returns pages that include all of your search terms. There is no need to include "and" between terms. Keep in mind that the order in which the terms are typed will affect the search results. To restrict a search further, just include more terms. For example, to plan a vacation to Hawaii, simply type:

vacation hawaii

Automatic Exclusion of Common Words

Google ignores common words and characters such as "where" and "how", as well as certain single digits and single letters, because they tend to slow down your search without improving the results. Google will indicate if a common word has been excluded by displaying details on the results page below the search box.

If a common word is essential to getting the results you want, you can include it by putting a "+" sign in front of it. (Be sure to include a space before the "+" sign.)

Another method for doing this is conducting a phrase search, which simply means putting quotation marks around two or more words. Common words in a phrase search (e.g., "where are you") are included in the search.

For example, to search for Star Wars, Episode I, use:

Star Wars Episode +I

"Star Wars Episode I"

Capitalization

Google searches are NOT case sensitive. All letters, regardless of how you type them, will be understood as lower case. For example, searches for "george washington", "George Washington", and "gEoRgE wAsHiNgToN" will all return the same results.

Google now uses stemming technology. Thus, when appropriate, it will search not only for your search terms, but also for words that are similar to some or all of those terms. If you search for "pet lemur dietary needs", Google will also search for "pet lemur diet needs", and other related variations of your terms. Any variants of your terms that were searched for will be highlighted in the snippet of text accompanying each result.

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Advanced Search Made Easy

You can increase the accuracy of your searches by adding operators that fine-tune your keywords. Most of the options listed on this page can be entered directly into the Google search box.

" - " Searches

Sometimes what you're searching for has more than one meaning; "bass" can refer to fishing or music. You can exclude a word from your search by putting a minus sign ("-") immediately in front of the term you want to avoid. (Be sure to include a space before the minus sign.)

For example, to find web pages about bass that do not contain the word "music", type:

bass -music

" ~" Searches

You may want to search not only for a particular keyword, but also for its synonyms. Indicate a search for both by placing the tilde sign ("~") immediately in front of the keyword.

For example, to search for food facts as well as nutrition and cooking information, use:

~food ~facts

Phrase Searches

Search for complete phrases by enclosing them in quotation marks. Words enclosed in double quotes ("radiation protection adviser") will appear together in all results exactly as you have entered them. Phrase searches are especially useful when searching for proper names.

"OR" Searches

Google supports the logical "OR" operator. To retrieve pages that include either word A or word B, use an uppercase OR between terms.

For example, to search for a vacation in either London or Paris, just type:

vacation london OR paris

Domain Restrict

If you know the website you want to search but aren't sure where the information is located within that site, you can use Google to search only that domain. Do this by entering what you're looking for followed by the word "site" and a colon followed by the domain name.

For example, to find radiation protection information on Dundee University's site, enter:

"radiation protection" site:www.dundee.ac.uk

Numrange Searches

Numrange can be used to specify that results contain numbers in a range you set. You can conduct a numrange search by specifying two numbers, separated by two periods, with no spaces. Be sure to specify a unit of measure or some other indicator of what the number range represents.

For example, you might conduct a search for DVD player $250..300 or 3..5 megapixel digital camera. Numrange can be used to set a range for everything from dates (Willie Mays 1950..1960) to weights (5000..10000 kg truck).

DVD player $250..350

Other Advanced Search Features

• Language: specify which language you would like your results returned in.
• Date: restrict your results to the past three, six, or twelve months.
• Occurrences: specify where your search terms occur on the page - anywhere on the page, in the title, or in the url.
• Domains: search only a specific website or exclude that site completely from your search.