Perhaps you should try some spelling variations:
de letteratura » e letteratura, de litteratura, de litterature
di letteratura » e letteratura, de literatura, della letteratura
literatura de » literatura y, literatura en
grunde libri » grunde bei, grunde fir, grunde ii
i literatura » ii literatura, y literatura, i literature
grand libro » gran libro, grand livre
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 grunde libri ((de letteratura) OR (di letteratura)) sarda ) OR ( i grand libro i literatura de )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grunde libri ((de letteratura) OR (di letteratura)) sarda ) or ( i grand libro i literatura de ))".
• Adding a wildcard symbol may retrieve word variants: (( i grunde libri ((de letteratura) OR (di letteratura)) sarda ) or ( i grand libro i literatura de ))*.