Perhaps you should try some spelling variations:
delle studien » duale studien, delphi studien, modell studien
die filosofia » di filosofia, de filosofia, e filosofia
y literatura » la literatura
studien die » studie die, studien der
filosofia y » filosofia e, filosofia _, filosofia de
test delle » testi delle, tesi delle, test della

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: test delle studien die filosofia y literatura*.