Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
delle studio » dello studio, del estudio, nello studio
tesi delle » testi delle, test delle, testi della
studio la » studio lab, studio a, studio le

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

• Adding a wildcard symbol may retrieve word variants: tesi delle studio la filosofia del literatura*.