Perhaps you should try some spelling variations:
a literatura » la literatura, a literature, y literatura
die studium » dein studium, im studium, die studie
8 filosofia » e filosofia, a filosofia, y filosofia
filosofia a » filosofia da, filosofia la, filosofia e

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: "test ((die studium) OR (das studium)) 8 filosofia a literatura".
• Adding a wildcard symbol may retrieve word variants: test ((die studium) OR (das studium)) 8 filosofia a literatura*.