Perhaps you should try some spelling variations:
litterature author » literature author, literature authors, literature anthony
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
du letteratura » di letteratura, su letteratura, sua letteratura
i litterature » i litteraturen, i literature, _ litterature
grand libro » grand livre
i grandde » i grunde, i grand
i grandi » i grand, e grandi, i grani

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 libro) OR (gran libro)) i litterature author ) OR ( ((i grandde) OR (i grandi)) liberte du letteratura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i ((grand libro) or (gran libro)) i litterature author ) or ( ((i grandde) OR (i grandi)) liberte du letteratura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i ((grand libro) or (gran libro)) i litterature author ) or ( ((i grandde) OR (i grandi)) liberte du letteratura sarda ))*.