Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
de letteratura » e letteratura, di letteratura, de litteratura
ii literatura » ii literatur, ii literature, iii literature
grunde libro » grunde fir, grunde gibt, und libro
i literatura » y literatura, i literature, a literatura
i grundei » i grund
libri de » libro de, libre de, libri duo

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 de letteratura sarda ) OR ( i grunde libro ((i literatura) OR (ii literatura)) de )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grundei libri de letteratura sarda ) or ( i grunde libro ((i literatura) OR (ii literatura)) de ))".
• Adding a wildcard symbol may retrieve word variants: (( i grundei libri de letteratura sarda ) or ( i grunde libro ((i literatura) OR (ii literatura)) de ))*.