Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
duo letteratura » di letteratura, su letteratura, sua letteratura
vii literatura » ii literatura, vii literature, iii literatura
vii literatur » viii literatur, vi literatur, ii literatur
i grundei » i grunde, i grund
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 duo letteratura sarda ) OR ( i gran libro ((vii literatura) OR (vii literatur)) en )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grundei libri duo letteratura sarda ) or ( i gran libro ((vii literatura) OR (vii literatur)) en ))".
• Adding a wildcard symbol may retrieve word variants: (( i grundei libri duo letteratura sarda ) or ( i gran libro ((vii literatura) OR (vii literatur)) en ))*.