Here are some tools and techniques that can help you make a search more precise. Many of these techniques also work in the library's databases. Not all of these techniques work in every search engine, but you can either try them out or check the "Help" link of the search engine for more information.
Most search engines will assume a Boolean AND between each word. You can force this by using AND in front of the word. Example: cats AND dogs. (Previously a + could be used in place of AND, however Google has removed support for this feature.)
Sometimes you definitely don't want a word in your results, like if you were looking for "bass" as in music not as in fish. You can do this by using the word NOT or a - in your search. Example: bass NOT fish or bass -fish. (Google still supports the - in place of NOT if desired)
If you have two words that mean more or less the same thing, so either will do, you can arrange it by using an OR between the words. You almost always have to capitalize OR to get the search engine to notice it. Example: teen OR teenager OR high school student.
If you have a search that you want all the words in that exact order, put the search in quotation marks. Example: "four score and seven years ago."
When you are doing complicated searches, it's a good idea to put the various parts in parentheses, to make it easier for the computer to understand. This is especially true when you are mixing ANDs and ORs. Example: (cats OR dogs) and (United states OR america OR usa)
Searching for Information from a Specific Site
If you need things from a specific site, you can limit the search to a type of site (e.g. .edu or .gov) or to a specific domain (e.g. uri.edu). You do this by using the term "site:" in the search. Example: recycling and site:ri.us Warning: this works in Google and some, but not all, other search engines.
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