The folks at HackCollege.com have posted a web page with a very large picture that shows students how to get the most out of Google searches. You can find it at http://www.hackcollege.com/blog/2011/11/23/infographic-get-more-out-of-google.html.
"There is a lot more to efficient Googling than you might think: in a recent study on student research skills, 3 out of 4 students couldn't perform a 'well-executed search' on Google. When the success of your term paper hangs in the balance, using Google effectively is crucial, but most students surprisingly just don't know how."
"Here are some crucial tips for refining your Googling, as well as some other great places to hunt down that last study you need for your thesis."