Use to define your topic and to situate the issue in context. Identify:
Subject terms: Subject terms are assigned by information specialists to categorize information. So what? Subject terms are more precise than keywords. They may help to eliminate irrelevant content that mentions a keyword but not in a significant way. Try these:
Use to catch the tenor of the conversation, to identify recent events, and to capture different voices and stories.
Use to dive deeper into your topic, to gather complex interpretation of the issue, to garner evidence that supports your claims.
AND link words by AND to search for all words in the same resource
OR link words by OR to search for one word or another (instead of both/all words)
NOT to eliminate results with a certain term
“Quotations” – add quotations to a group of two or more words to search for the exact phrase