Perhaps you should try some spelling variations:
litterature sarda » letteratura sarda, litterature par, litterature serbe
lage litterature » la litterature, age literature, de litterature
e letteratura » y literatura
grund libro » gran libro, und libro
grunde die » grunde der, grunde des, grundlage die
i grund » 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 ((e letteratura) OR (e literatur)) fra ) OR ( i grunde die lage litterature sarda ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grund libro ((e letteratura) OR (e literatur)) fra ) or ( i grunde die lage litterature sarda ))*".