Perhaps you should try some spelling variations:
litteratura sarda » letteratura sarda, letteratura storia, letteratura sulla
de litteratura » de litterature, de literatura, da literatura
1 letteratura » _ letteratura, di letteratura, la letteratura
e letteratura » y literatura, e literatur
grandi libro » gran libro, grand livre, amandi libri
i grandi » i grand, e grandi, 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: (( _ amanda l ((1 letteratura) OR (e letteratura)) arte ) OR ( i grandi libro de litteratura sarda ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( _ amanda l ((1 letteratura) OR (e letteratura)) arte ) or ( i grandi libro de litteratura sarda ))*".