Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
de letteratura » e letteratura, di letteratura, de litteratura
e literatura » de literatura, e literatur, a literatura
y literatura » la literatura
grand libro » gran libro, grand livre
i grundei » i grunde, i grund
i grand » i grunde

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 grundei libro de letteratura sarda ) OR ( i grand libro ((e literatura) OR (y literatura)) de )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grundei libro de letteratura sarda ) or ( i grand libro ((e literatura) OR (y literatura)) de ))".
• Adding a wildcard symbol may retrieve word variants: (( i grundei libro de letteratura sarda ) or ( i grand libro ((e literatura) OR (y literatura)) de ))*.