Perhaps you should try some spelling variations:
filosofia modell » filosofia moderna, filosofia del, filosofia della
modell literatur » modelle literatur, modern literature, moderne literatur
texts social » texas social, text social, texto social
tests social » test social, tests special, meets social
di filosofia » la filosofia, e filosofia
studien di » studien die, studien dd, studien der

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: "((texts social) OR (tests social)) studien di filosofia modell literatur".
• Adding a wildcard symbol may retrieve word variants: ((texts social) OR (tests social)) studien di filosofia modell literatur*.