Perhaps you should try some spelling variations:
pela literatura » pena literatura, la literatura, a literatura
die filosofia » di filosofia, de filosofia, da filosofia
der studium » oder studium, dem studium, des studium
e filosofia » la filosofia

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: text der studium ((die filosofia) OR (e filosofia)) pela literatura.
• Adding a wildcard symbol may retrieve word variants: text der studium ((die filosofia) or (e filosofia)) pela literatura*.