Perhaps you should try some spelling variations:
als filosofia » alla filosofia, la filosofia, a filosofia
de literatura » de litterature, la literatura, y literatura
e literatura » y literatura, e literatur, a literatura
studium als » studium des

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 als filosofia ((e literatura) OR (de literatura)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((suite _) or (quite _)) studium als filosofia ((e literatura) OR (de literatura))".
• Adding a wildcard symbol may retrieve word variants: ((suite _) or (quite _)) studium als filosofia ((e literatura) OR (de literatura))*.