Perhaps you should try some spelling variations:
di letteratura » e letteratura, de literatura, della letteratura
iii literature » ii literature, iii literatur, viii literatur
7 letteratura » e letteratura, _ letteratura, la letteratura
literature de » litterature de, literature die, literature d
grunde die » grunde der, grunde des, grundlage die
livre iii » livro iii, livre ii, livre qui

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 ((7 letteratura) OR (di letteratura)) sarda ) OR ( i grand livre iii literature de )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grunde die ((7 letteratura) OR (di letteratura)) sarda ) or ( i grand livre iii literature de ))".
• Adding a wildcard symbol may retrieve word variants: (( i grunde die ((7 letteratura) OR (di letteratura)) sarda ) or ( i grand livre iii literature de ))*.