Perhaps you should try some spelling variations:
del letteratura » della letteratura, di letteratura, de litteratura
letteratura del » letteratura e, letteratura di, literatura de
literatura del » literatura de, literatura el, literatura en
e letteratura » y literatura, e literatur
grand libro » gran libro, grand livre
i grundei » i grunde, i grund
i grand » i grunde
libro i » libro di, libro de

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