Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
de letteratura » e letteratura, di letteratura, de litteratura
literatura de » literatura y, literatura en
e literatura » de literatura, y literatura, e literatur
i grundei » i grunde, i grund
i grain » ii grain
libro e » libero e, libro i, libro _
i gran » i grand, i grani, i 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 grundei libro de letteratura sarda ) OR ( ((i gran) OR (i grain)) libro e literatura de )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grundei libro de letteratura sarda ) or ( ((i gran) OR (i grain)) libro e literatura de ))".
• Adding a wildcard symbol may retrieve word variants: (( i grundei libro de letteratura sarda ) or ( ((i gran) OR (i grain)) libro e literatura de ))*.