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

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