Perhaps you should try some spelling variations:
letteratura sulla » letteratura russa, letteratura del
den letteratura » e letteratura, di letteratura, de litteratura
ii literatura » ii literatur, ii literature, iii literature
literatura de » literatura y, literatura en
grunde der » grund der, grundzuge der, grundlage der
livre ii » livres ii, livre iii, livre i
der den » wider den

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 grunde der den letteratura sulla ) OR ( i grand livre ii literatura de )).
• Adding a wildcard symbol may retrieve word variants: (( i grunde der den letteratura sulla ) or ( i grand livre ii literatura de ))*.