Perhaps you should try some spelling variations:
letteratura sulla » letteratura russa, letteratura del
de letteratura » e letteratura, di letteratura, de litteratura
ii literatura » ii literature, iii literature, vii literature
ii literatur » vi literatur, viii literatur
grand libro » gran libro, grand livre
i grundei » i grunde
libri de » libro de, libre de, libri duo
i grund » i grunde, i ground
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) OR (i grund)) libri de letteratura sulla ) OR ( i grand libro ((ii literatura) OR (ii literatur)) y )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((i grundei) OR (i grund)) libri de letteratura sulla ) or ( i grand libro ((ii literatura) or (ii literatur)) y ))".
• Adding a wildcard symbol may retrieve word variants: (( ((i grundei) OR (i grund)) libri de letteratura sulla ) or ( i grand libro ((ii literatura) or (ii literatur)) y ))*.