What you search is highly dictated by your research topic. Coming up with keywords is often one of the hardest parts of research. If you need help, please ask!
As you can see, there's a lot of databases to choose from. Your research topic will dictate which ones are the best; ask a librarian to help suggest which ones!
If you would like to see a full list of the journal titles to which the Library subscribes, that is available on the link below: