Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
de letteratura » e letteratura, di letteratura, de litteratura
literatura de » literatura y
literatura en » literatura y
i grundeei » i grundideen
libri de » libre de, libri duo, libri sex
libro i » libro di

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