Perhaps you should try some spelling variations:
duales studium » das studium
de literatura » de litterature, la literatura, a literatura
y literatura » la literatura
3 filosofia » e filosofia, a filosofia, y filosofia
studium 3 » studium _, studium 1, studium 8

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: (quito OR quit) duales studium 3 filosofia ((de literatura) OR (y literatura)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(quito or quit) duales studium 3 filosofia ((de literatura) OR (y literatura))".
• Adding a wildcard symbol may retrieve word variants: (quito or quit) duales studium 3 filosofia ((de literatura) OR (y literatura))*.