Unlike Google, library databases can't understand an entire sentence. So you'll need to break your topic down into the most important ideas - the KEYWORDS.
Example Topic: How do firms apply construction safety on a job site?
The specifics of your topic will matter when selecting sources, but for searching you only need the most essential components.
Keywords: Construction Safety, Job Site
Tutorial - Finding Keywords
If you find you need to practice choosing keywords, try the Finding Keywords tutorial.
Keyword: Construction Safety Synonym: Hazards
You can evaluate any source using the 5 W's:
This will bring back results that only use that exact phrase