Perhaps you should try some spelling variations:
duales studium » das studium
die filosofia » di filosofia, de filosofia, da filosofia
e literatura » de literatura, y literatura, e literatur
sets duales » sets rules, sets scales, sets duality
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: sets duales studium ((die filosofia) OR (e filosofia)) e literatura.
• Adding a wildcard symbol may retrieve word variants: sets duales studium ((die filosofia) or (e filosofia)) e literatura*.