Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
grunde libro » grunde fir, grunde gibt, und libro
e literatura » de literatura, y literatura, e literatur
i grundei » i grund
libri de » libro de, libri duo, libri sex
libre de » libro de
libro e » libro de, libero e, libro i

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