Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
e letteratura » y literatura, e literatur
di literatura » de literatura, da literatura, ii literatura
literatura de » literatura y, literatura en
grand libro » gran libro, grand livre
i ground » i groups, i grunde
libro di » libro de, libri di, libro del
libri e » libri de, libri v, libri x
i grand » i grunde

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 ground) OR (i group)) libri e letteratura sarda ) OR ( i grand libro di literatura de )).
• Adding a wildcard symbol may retrieve word variants: (( ((i ground) or (i group)) libri e letteratura sarda ) or ( i grand libro di literatura de ))*.