Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
der filosofia » de filosofia, e filosofia, di filosofia
filosofia la » filosofia da, filosofia le, filosofica da
tesi delle » testi delle, test delle, testi della
studio der » studio oder, studio del, studio dei

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((mesi dell) OR (tesi delle)) studio der filosofia la literatura*.