Perhaps you should try some spelling variations:
letteratura sulla » letteratura russa, letteratura del
de letteratura » e letteratura, di letteratura, de litteratura
iii literature » ii literature, iii literatur, viii literatur
ii literatura » ii literatur, ii literature, vii literature
i grundei » i grunde, i grund
libri de » libro de, libre de, libri duo
i gran » i grand, i grain, i grani

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 de letteratura sulla ) OR ( i gran libro ((ii literatura) OR (iii literature)) en )).
• Adding a wildcard symbol may retrieve word variants: (( i grundei libri de letteratura sulla ) or ( i gran libro ((ii literatura) or (iii literature)) en ))*.