Perhaps you should try some spelling variations:
literatura historia » literature history
letteratura sulla » letteratura russa, letteratura del
letteratura sarda » letteratura storia, letteratura arte, letteratura arti
della literatura » della letteratura, pela literatura, nella letteratura
libri della » libro della, libri dalla, libri nella
libro del » libro de
_ grounde » _ grounded, _ ground, _ grounds
i ground » i group, i grunde, i grand
i groups » 2 groups, 1 groups, 3 groups

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 ground) OR (i groups)) libro del ((letteratura sarda) OR (letteratura sulla)) ) OR ( _ grounde libri della literatura historia )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((i ground) or (i groups)) libro del ((letteratura sarda) OR (letteratura sulla)) ) or ( _ grounde libri della literatura historia ))".
• Adding a wildcard symbol may retrieve word variants: (( ((i ground) or (i groups)) libro del ((letteratura sarda) OR (letteratura sulla)) ) or ( _ grounde libri della literatura historia ))*.