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 » e letteratura, di letteratura, de litteratura
letteratura da » letteratura di, letteratura del, letteratura fra
grundlage die » grundlagen die, grundlage der, grundlage des
grund libro » gran libro, und libro
1 grundlage » 1 grundlagen, 11 grundlagen, 21 grundlagen
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 da ) OR ( 1 grundlage die land letteratura sarda )).
• Adding a wildcard symbol may retrieve word variants: (( i grund libro de letteratura da ) or ( 1 grundlage die land letteratura sarda ))*.