Perhaps you should try some spelling variations:
litterature sarda » letteratura sarda, litterature par, litterature serbe
della letteratura » nella letteratura, e letteratura
letteratura fra » letteratura da, letteratura greca, letteratura sarda
grund libro » gran libro, und libro
libro della » libro del, piero della
i grund » i ground, i grand
die la » die lan, die land, die lamb

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 della letteratura fra ) OR ( i grunde ((die la) OR (die lage)) litterature sarda ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grund libro della letteratura fra ) or ( i grunde ((die la) OR (die lage)) litterature sarda ))*".