Perhaps you should try some spelling variations:
letteratura sulla » letteratura russa, letteratura del
de literatura » de litterature, la literatura, y literatura
i grundei » i grunde, i grund
livre de » livres de
libro e » libro de, libero e, libro _
libro i » libro di, libro de
i grand » i grunde

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