For example, a search of Chicago and History may retrieve a book about English 18th-century history that happened to be published at the University of Chicago. By using keywords, you are still likely to find some items on your topic. Use synonymous keywords to retrieve additional sources. For example, if you're looking for books about teenagers and depression , search keywords like adolescents, teenagers, young adults, teens, etc. AND, OR, NOT Operators Search terms may be combined with words called operators, enabling a search to be broadened or narrowed.
Operators allow the combination of terms in a variety of ways.
Truncation will retrieve more forms or different spellings of a word or name. You can search for an item by combining two qualified search terms with an operator . For example, grapes.ti. Qualification allows you to combine search terms with certain coded information to limit your search to particular formats, languages, or dates. For example s.fmt.