Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
iii literature » ii literature, iii literatur, viii literatur
literature de » litterature de, literature die, literature d
livre iii » livro iii, livre ii, livre qui
der 5 » der 2, der 1, der a

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 grunde ((der 5) OR (der _)) letteratura sarda ) OR ( i grand livre iii literature de )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grunde ((der 5) OR (der _)) letteratura sarda ) or ( i grand livre iii literature de ))".
• Adding a wildcard symbol may retrieve word variants: (( i grunde ((der 5) OR (der _)) letteratura sarda ) or ( i grand livre iii literature de ))*.