Use Keywords in databases - NOT sentences!
Databases work differently than search engines. Instead of using natural language, use keywords! Keywords are the most important words in your topic.
Example topic: What are the benefits of dogs on a person's mental health?
Keywords:
Play around with keywords if you need to narrow or broaden your topic. Brainstorm related terms, synonyms, antonyms, etc. Or try a keyword generator.
When trying to come up with keywords, consider:
This "generator" from UT Libraries is designed to help students think about the essential parts of their topic, identify additional terms, and construct a search statement.