Perhaps you should try some spelling variations:
filosofia life » filosofia de, filosofia e, filosofia di
duale studium » duales studium, dualen studium, das studium
filosofia le » filosofia de, filosofia e, filosofia del
test duale » test double, test delle, test orale
studium de » studium der, studium des, studium die

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: "test duale studium de ((filosofia life) OR (filosofia le)) literature*".