Perhaps you should try some spelling variations:
filosofia da » filosofia de, filosofia del, filosofia della
filosofia e » filosofia de, filosofia del
texto ante » texto durante
studien 4 » studien _, studien 5
studien 3 » studien _, studien 5

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: texto ante ((studien 4) OR (studien 3)) ((filosofia da) OR (filosofia e)) literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "texto ante ((studien 4) OR (studien 3)) ((filosofia da) or (filosofia e)) literatura".
• Adding a wildcard symbol may retrieve word variants: texto ante ((studien 4) OR (studien 3)) ((filosofia da) or (filosofia e)) literatura*.