Perhaps you should try some spelling variations:
della letteratura » nella letteratura
literatura sarda » letteratura sarda, literatura arab, literatura fakta
e letteratura » e literatur
y literatura » la literatura
grunde libri » grunde bei, grunde fir, grunde ii
grund libro » gran libro, und libro
i grund » i ground, i grand
libro y » libro i, libro _, libro e

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 y literatura sarda ) OR ( i grunde libri ((della letteratura) OR (e letteratura)) storia )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grund libro y literatura sarda ) or ( i grunde libri ((della letteratura) OR (e letteratura)) storia ))".
• Adding a wildcard symbol may retrieve word variants: (( i grund libro y literatura sarda ) or ( i grunde libri ((della letteratura) OR (e letteratura)) storia ))*.