Perhaps you should try some spelling variations:
des filosofia » de filosofia, e filosofia, di filosofia
studium des » studium der
filosofia e » filosofia de, filosofia del
westen das » testen das, westen der, westfalen das
west das » west ak, west a, west d.d

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: ((west das) OR (westen das)) studium des filosofia e (literatur OR literature).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((west das) or (westen das)) studium des filosofia e (literatur OR literature)".
• Adding a wildcard symbol may retrieve word variants: ((west das) or (westen das)) studium des filosofia e (literatur OR literature)*.