Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
literatur greca » literatura graeca, literatura grega, literaturas grecia
und libro » un libro, und librosa
und lido » und lie, und li
des lage » des langen, des lagers, des land
des la » des land

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 ((und libro) OR (und lido)) e literatur greca ) OR ( i grunde ((des la) OR (des lage)) letteratura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i ((und libro) OR (und lido)) e literatur greca ) or ( i grunde ((des la) or (des lage)) letteratura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i ((und libro) OR (und lido)) e literatur greca ) or ( i grunde ((des la) or (des lage)) letteratura sarda ))*.