Perhaps you should try some spelling variations:
delle studien » duale studien, delphi studien, modell studien
la literatura » la litterature, a literature
ds filosofia » di filosofia, de filosofia, da filosofia
filosofia la » filosofia da, filosofia le, filosofica da
test delle » testi delle, tesi delle, test della
studien ds » studien des, studien das, studies ds

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

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