Perhaps you should try some spelling variations:
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
land letteratura » la letteratura, land literatur, una letteratura
de letteratura » di letteratura, de litteratura, de litterature
e letteratura » y literatura, e literatur
grundlage die » grundlagen die, grundlage der, grundlage des
grund libro » gran libro, und libro
i grundlage » i grundlagen, ii grundlage, 1 grundlage
die land » die lander, die lange
i grund » i grunde, i ground, i grand

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 grund libro ((de letteratura) OR (e letteratura)) da ) OR ( i grundlage die land letteratura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grund libro ((de letteratura) OR (e letteratura)) da ) or ( i grundlage die land letteratura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i grund libro ((de letteratura) OR (e letteratura)) da ) or ( i grundlage die land letteratura sarda ))*.