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