Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arti
letteratura arte » letteratura arti, letteratura e, letteratura fra
y literatura » la literatura
i literatura » ii literatura, i literature, a literatura
grand libro » gran libro, grand livre
libri de » libro de, libre de, libri duo
i grund » i ground

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) OR (i grund)) libri de ((letteratura sarda) OR (letteratura arte)) ) OR ( i grand libro ((i literatura) OR (y literatura)) de ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((i grunde) or (i grund)) libri de ((letteratura sarda) or (letteratura arte)) ) or ( i grand libro ((i literatura) OR (y literatura)) de ))*".