Perhaps you should try some spelling variations:
letteratura storia » letterature storie, letteratura sarda, literatura historia
nella letteratura » della letteratura, e letteratura
literatur arte » literatur arne, literatur karten, literatur smarte
grund libro » und libro
grunde cnr » grunde fur, grunde und, grunde der
cnr nella » che nella

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) OR (gran libro)) e literatur arte ) OR ( i grunde cnr nella letteratura storia )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i ((grund libro) OR (gran libro)) e literatur arte ) or ( i grunde cnr nella letteratura storia ))".
• Adding a wildcard symbol may retrieve word variants: (( i ((grund libro) OR (gran libro)) e literatur arte ) or ( i grunde cnr nella letteratura storia ))*.