Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
di literatura » de literatura, da literatura, ii literatura
literatura de » literatura y, literatura en
grani libri » gran libro, amandi libri
livres en » livres et, livres de
libri di » libri ii, libri de, libri duo
i granid » i grand, i granito, i grund
livre en » cuivre en, livres et, livre des
i grani » i grandi, i grand, dei 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 grani libri di literatura de ) OR ( i granid ((livre en) OR (livres en)) letteratura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grani libri di literatura de ) or ( i granid ((livre en) OR (livres en)) letteratura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i grani libri di literatura de ) or ( i granid ((livre en) OR (livres en)) letteratura sarda ))*.