Perhaps you should try some spelling variations:
delle studien » duale studien, delphi studien, modell studien
der filosofia » de filosofia, e filosofia, di filosofia
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
studien der » studie der, studien die, studenten der
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 der filosofia la literatura*.