Perhaps you should try some spelling variations:
della letteratura » nella letteratura, e letteratura
letteratura arti » letteratura arte, letteratura sarda, letteratura di
grandi libri » amandi libri, grandi liberali, grandi list

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "i ((grandi libri) OR (gran libro)) della letteratura arti".
• Adding a wildcard symbol may retrieve word variants: i ((grandi libri) OR (gran libro)) della letteratura arti*.