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