Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
de litterature » la litterature, et litterature
de literatura » la literatura, y literatura, a literatura
e letteratura » y literatura, e literatur
grunde livre » grande livre, grand livre, grunde liegen
livre e » livre de, livre en, livre et
i gran » i grand, i grain, i 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 gran libro ((de literatura) OR (de litterature)) en ) OR ( i grunde livre e letteratura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i gran libro ((de literatura) OR (de litterature)) en ) or ( i grunde livre e letteratura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i gran libro ((de literatura) OR (de litterature)) en ) or ( i grunde livre e letteratura sarda ))*.