Perhaps you should try some spelling variations:
della literatura » della letteratura, pela literatura, nella letteratura
literatura di » literatura de, literatura do, literatura i
l literatura » la literatura, y literatura, a literatura
literatura e » literatura en, literatura de, literatura y
grain piero » grain pro

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: (( _ amanda l l literatura di ) OR ( i ((grain piero) OR (gian piero)) della literatura e ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( _ amanda l l literatura di ) or ( i ((grain piero) OR (gian piero)) della literatura e ))*".