Boolean Operators
Once you have a good set of keywords, use Boolean operators (named for mathematician George Boole) to narrow, broaden, or refine your search.
http://www.library.kent.edu/images/boolean.gif
Try searching with different groupings and keyword combinations.
- (college females OR young adults) AND (eating disorders OR bulimia OR anorexia)
- (children OR adolescents) AND violence AND (television NOT video games)
Truncation and Wildcards
Use an * at the end of a word to search for all forms of that word.
- educat* will return results for education, educator, educated, educating;etc.
- environment* will also return results for environmentalism and environmentalist
An * can also be used to replace a character in a word.
- wom*n will search for women and woman