Perhaps you should try some spelling variations:
litterature author » literature author, literature authors, temperature author
grandde liberte » grande liberte
sua letteratura » su letteratura, la letteratura, tra letteratura
du letteratura » di letteratura, su letteratura, e letteratura
i litterature » i litteraturen, i literature, _ litterature
grand libro » gran libro, grand livre
i grandde » i grunde, i grandi
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 grand libro i litterature author ) OR ( i grandde liberte ((du letteratura) OR (sua letteratura)) sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grand libro i litterature author ) or ( i grandde liberte ((du letteratura) OR (sua letteratura)) sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i grand libro i litterature author ) or ( i grandde liberte ((du letteratura) OR (sua letteratura)) sarda ))*.