Perhaps you should try some spelling variations:
der filosofia » de filosofia, e filosofia, di filosofia
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
das studio » das studium, das stadion, das studien
sas studio » a studio

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: "geist ((das studio) OR (sas studio)) der filosofia de literatura".
• Adding a wildcard symbol may retrieve word variants: geist ((das studio) OR (sas studio)) der filosofia de literatura*.