Keywords and concepts describe the main idea(s) of your topic and enable you to focus your research.
Use quotation marks (") around phrases to search for exact phrases or titles.
This is also handy in Google searching.
Examples:
"health care reform"
"texting while driving"
"As You Like It"
Use truncation (*) to find word variants. Examples:
Adolescen* retrieves the following:
adolescent
adolescents
adolescence
Advertis* retrieves the following:
advertise
advertising
advertisement
Teen* retrieves the following:
Teen
Teens
Teenager
Teenagers
Teenaged
Use related terms/synonyms to refine your search:
Example 1:
Example 2: