Perhaps you should try some spelling variations:
literature sarda » literature search, letteratura sarda, literature sacred
grand general » grande general, grant general, grid general
y literatura » la literatura
literatura e » literatura en, literatura de, literatura y
general y » general 1
libro a » libro la, libro i, libro _
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 a literature sarda ) OR ( i grand general y literatura e )).
• Adding a wildcard symbol may retrieve word variants: (( i gran libro a literature sarda ) or ( i grand general y literatura e ))*.