Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
duale studien » duale studium, scale studien, duales studium
filosofia la » filosofia da, filosofia le, filosofica da
e filosofia » la filosofia
filosofia y » filosofia e, filosofia _, filosofia de
studien e » studien es, studien _, studien 3

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: "(( testo duale studien e filosofia y literatura ) OR ( testo duale studien e filosofia la literatura ))".
• Adding a wildcard symbol may retrieve word variants: (( testo duale studien e filosofia y literatura ) OR ( testo duale studien e filosofia la literatura ))*.