Perhaps you should try some spelling variations:
das filosofia » da filosofia, la filosofia, di filosofia
studium das » studium des, studium der, studium die
filosofia e » filosofia de, filosofia del
literatur » literature

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((suite _) OR (quite _)) studium das filosofia e literatur.
• Adding a wildcard symbol may retrieve word variants: ((suite _) or (quite _)) studium das filosofia e literatur*.