Find journals and newspapers subscribed to by St. Thomas. Enter all or the beginning of the title (e.g., New York Times or Harvard).
Use GET IT @UST Libraries to get the full-text if not available in Google Scholar.
This list is not exhaustive, but these are journal titles are particularly strong in your areas of research. The links will bring you to a place in the database where you can do a keyword search and search only the one title instead of searching multiple titles the way you do when you go to a database directly.