Perhaps you should try some spelling variations:
della letteratura » nella letteratura
e letteratura » y literatura, e literatur
amandi libri » magni libri
grand libri » grand livre, gran libro

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