Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
di letteratura » e letteratura, de literatura, della letteratura
litterature de » litterature et, litterature russe
literature de » literature die, literature d, literature dr
grunde die » grunde der, grunde des, grundlage die
livre iii » livro iii, livre ii, livre qui
die di » die die, die dia, die dif

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 die di letteratura sarda ) OR ( i grand livre iii ((literature de) OR (litterature de)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grunde die di letteratura sarda ) or ( i grand livre iii ((literature de) OR (litterature de)) ))".
• Adding a wildcard symbol may retrieve word variants: (( i grunde die di letteratura sarda ) or ( i grand livre iii ((literature de) OR (litterature de)) ))*.