Perhaps you should try some spelling variations:
filosofica a » filosofica da, filosofica _, filosofico a
filosofica e » filosofia e, filosofica da, filosofia de
das studie » das studien, das studio, des studie
studie der » studium der
bist das » ist das, list das, geist das

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: "bist das studie der ((filosofica a) OR (filosofica e)) literatura".
• Adding a wildcard symbol may retrieve word variants: bist das studie der ((filosofica a) OR (filosofica e)) literatura*.