Perhaps you should try some spelling variations:
della letteratura » nella letteratura, e letteratura
letteratura di » literatura de
groupe livre » group live, groupes libres, grande livre
group links » group link, ground links, groups lines
links della » links cell
i groupe » i grouped, ie groupe, i 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 group links della letteratura di ) OR ( i groupe livre _ letteratura e )).
• Adding a wildcard symbol may retrieve word variants: (( i group links della letteratura di ) or ( i groupe livre _ letteratura e ))*.