Perhaps you should try some spelling variations:
duales studium » das studium
der filosofica » de filosofia, e filosofica, di filosofia
de literatura » de litterature, la literatura, y literatura
tests duales » tests dalekjs, tests des, neues duales
e filosofia » la filosofia

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: "tests duales studium ((der filosofica) OR (e filosofia)) de literatura*".