Boolean Operators -- That term we learned in math class does have some significance when it comes to using the search sites.
AND -- The operator "and" is used to combine search terms so that information is only retrieved if all terms occur in the same document. So if you're looking for "Doctors and Lawyers", type in that phrase, and what will be returned are documents with both keywords in them.
OR -- combines keywords so the retrieved documents contain any or all of the keywords. Most search engines don't need this though, as they assume this as the operator being used already.
and most importantly
QUOTES -- Yes, putting quotes around your search terms looks for the words or phrase exactly as typed. If you put in "Granola Bars" the sites returned will have only those words in their exact order. This is my favorite one to use when I'm looking for a specific file or subject and want to skip all the browsing around.
It helps with the search == "real estate" vs searching for real and searching for agent -- be more precise in what your looking for and get the results you want.
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