Use these links to browse the contents of journals recommended by your professor. This can help you get ideas for research topics. It also allows you to see what kinds of issues scholars are researching and discussing. If you want to search for specific topics within a particular journal you'll need to look closely at the interface, most will have some way to "search within this journal", but it varies by platform.
These links go to the library record for the journal title. Click a link next to view online to access the journal.
Note: This list also includes the Stanford Encyclopedia of Philosophy, which is not a journal!