Perhaps you should try some spelling variations:
litterature sarda » letteratura sarda, litterature par, litterature serbe
letteratura fra » letteratura da, letteratura greca, letteratura sarda
la litterature » a literature
grunde der » grund der, grundzuge der, grundlage der
libro di » libro de, libro del, libros de
libri di » libri ii, libri de, libri duo
i grund » i ground, i grand
der la » der lag, der lage, 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) OR (libri di)) letteratura fra ) OR ( i grunde der la litterature sarda ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grund ((libro di) OR (libri di)) letteratura fra ) or ( i grunde der la litterature sarda ))*".