Perhaps you should try some spelling variations:
na literatura » la literatura, a literatura, a literature
filosofia na » filosofia da, filosofia la, filosofia n
studium ii » studium i, studium die, studium mit
studium im » studium die, studium _, studium 1

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: "text der ((studium ii) OR (studium im)) filosofia na literatura".
• Adding a wildcard symbol may retrieve word variants: text der ((studium ii) OR (studium im)) filosofia na literatura*.