Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
et letteratura » e letteratura, et litterature, di letteratura
literatura de » literatura y, literatura en
libro di » libro de, libro del, libros de
libri di » libri ii, libri de, libri duo
livre et » livres et, livre en, livre des
i grand » i grunde
i gran » i grain, i grani, i gram

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 gran ((libro di) OR (libri di)) literatura de ) OR ( i grand livre et letteratura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i gran ((libro di) OR (libri di)) literatura de ) or ( i grand livre et letteratura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i gran ((libro di) OR (libri di)) literatura de ) or ( i grand livre et letteratura sarda ))*.