Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, a literatura
literatura de » literatura y, literatura en
y literatura » la literatura
i literatura » ii literatura, i literature, a literatura
grand libro » gran libro, grand livre
i ground » i groups, i grunde
i grand » i grunde
libro i » libro di, libro de

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