Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
studium 1 » studium _, studium 3, studium im
studium 8 » studium _, studium 3, studium im
west das » westen das, west ak, west a

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "west das ((studium 1) OR (studium 8)) filosofia de literatura".
• Adding a wildcard symbol may retrieve word variants: west das ((studium 1) OR (studium 8)) filosofia de literatura*.