Perhaps you should try some spelling variations:
literatura sarda » letteratura sarda, literatura arab, literatura fakta
literatur greca » literatura graeca, literatura grega, literaturas grecia
libro e » libro de, libero e, libro i
fuir la » pouir la
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 gran libro e literatur greca ) OR ( i grunde ((fir la) OR (fuir la)) literatura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i gran libro e literatur greca ) or ( i grunde ((fir la) OR (fuir la)) literatura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i gran libro e literatur greca ) or ( i grunde ((fir la) OR (fuir la)) literatura sarda ))*.