Perhaps you should try some spelling variations:
nella letteratura » e letteratura
della letteratura » e letteratura
literatura sarda » letteratura sarda, literatura arab, literatura fakta
y literatura » la literatura
grande libri » grande livre, grande liberte, gran libro
grand libro » gran libro, grand livre
i grande » di grande, i grunde, i grandi
i grand » i grunde
libro y » libro i, libro _, libro e

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 grand libro y literatura sarda ) OR ( i grande libri ((della letteratura) OR (nella letteratura)) storia ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grand libro y literatura sarda ) or ( i grande libri ((della letteratura) OR (nella letteratura)) storia ))*".