Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
di letteratura » e letteratura, de literatura, della letteratura
iii literature » ii literature, iii literatur, viii literatur
literature de » litterature de, literature die, literature d
grunde der » grund der, grundzuge der, grundlage der
livre iii » livro iii, livre ii, livre qui
der di » der dia, der diat, der diba

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 di letteratura sarda ) OR ( i grand livre iii literature de )).
• Adding a wildcard symbol may retrieve word variants: (( i grunde der di letteratura sarda ) or ( i grand livre iii literature de ))*.