Perhaps you should try some spelling variations:
litterature sarda » letteratura sarda, litterature par, litterature serbe
letteratura fra » letteratura da, letteratura greca, letteratura sarda
di letteratura » e letteratura, de literatura, della letteratura
grund libro » gran libro, und libro
libro di » libro de, libri di, libro del
i grund » i ground, i grand
der la » der lag, der laan

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