Creating good search statements will help speed up your research and retrieve the best results while hopefully minimizing the number of irrelevant results. The strategies mentioned on this page - using keywords, Boolean operators, truncation and phrases - are not absolutely required for all search engines but they can make any search engine, even Google, work better for you.
If you would like more information on any of these topics, take these excellent, interactive tutorials from Colorado State University.
Example: What is the relationship between advertisements and teenagers' self image?
Keywords = advertisements / teenagers / self image
Examples: teenagers = teens or youth or adolescents /
self image = body image
AND, OR and NOT operators
Boolean example courtesy of Crystal Stratton
Video Overview
This video linked below is from CSUSB's John M. Phau Library, and it provides a quick introduction to Boolean Operators and how to use them.