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