Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
de letteratura » e letteratura, di letteratura, de litteratura
literatur des » literatur der, literatur die
grand livres » grands livres, grand livre, grande livre
literatur de » literatur die, literatur der, literatur den
grunde der » grund der, grundzuge der, grundlage der
livres vii » livres ii, lives vii, livres avis

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 de letteratura sarda ) OR ( i grand livres vii ((literatur de) OR (literatur des)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grunde der de letteratura sarda ) or ( i grand livres vii ((literatur de) OR (literatur des)) ))".
• Adding a wildcard symbol may retrieve word variants: (( i grunde der de letteratura sarda ) or ( i grand livres vii ((literatur de) OR (literatur des)) ))*.