Other databases are commercial products to which we buy access for the use of our students and faculty. I know what I want to research. Identify any necessary relationships between words. For this search college and students need to go together. Decide on any synonyms to use.
Personality can stand alone.
College might also be university , and alcohol might also be booze or beer . Maybe booze would be good in a web search, but it's probably not used very often in the academic psychology literature. Put it all together. Here's where you have to know the search software. I'm getting too many results.