Perhaps you should try some spelling variations:
letteratura di » letteratura e, literatura de
x letteratura » e letteratura, _ letteratura, di letteratura
de literatura » de litterature, la literatura, y literatura
e literatura » y literatura, e literatur, a literatura
grand libro » gran libro, grand livre
i grundei » i grunde, i grund
libri x » libri xv, libri v, libri sex
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 libri x letteratura di ) OR ( i grand libro ((e literatura) OR (de literatura)) de )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grundei libri x letteratura di ) or ( i grand libro ((e literatura) OR (de literatura)) de ))".
• Adding a wildcard symbol may retrieve word variants: (( i grundei libri x letteratura di ) or ( i grand libro ((e literatura) OR (de literatura)) de ))*.