Perhaps you should try some spelling variations:
filosofia para » filosofia da, filosofia morale
filosofia pena » filosofia en, filosofia della, filosofia parfa
quito das » quito a, quits day
studium e » studium _, studium 1, studium 3
auto das » auto dasp, auto da, auto der

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 das) OR (auto das)) studium e ((filosofia pena) OR (filosofia para)) literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((quito das) or (auto das)) studium e ((filosofia pena) OR (filosofia para)) literatura".
• Adding a wildcard symbol may retrieve word variants: ((quito das) or (auto das)) studium e ((filosofia pena) OR (filosofia para)) literatura*.