Perhaps you should try some spelling variations:
nella letteratura » e letteratura
della letteratura » e letteratura
grandi libri » amandi libri, grandi liberali, gran libro
i grandi » i grand, e grandi, i grani

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 ((della letteratura) OR (nella letteratura)) arti".
• Adding a wildcard symbol may retrieve word variants: i grandi libri ((della letteratura) OR (nella letteratura)) arti*.