Perhaps you should try some spelling variations:
a literatura » la literatura, a literature, y literatura
studium die » studium der, studium des
filosofia a » filosofia da, filosofia la, filosofia e
des dualen » der dualen, des idealen
studium di » studium i, studium ii, studium d

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: "des dualen ((studium di) OR (studium die)) filosofia a literatura".
• Adding a wildcard symbol may retrieve word variants: des dualen ((studium di) OR (studium die)) filosofia a literatura*.