Perhaps you should try some spelling variations:
della letteratura » e letteratura
nella letteratura » e letteratura
grunde livre » grande livre, grand livre, grunde liegen
i grund » i ground, i grand

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grund libri ((della letteratura) OR (nella letteratura)) da ) OR ( i grunde livre _ letteratura e ))".
• Adding a wildcard symbol may retrieve word variants: (( i grund libri ((della letteratura) OR (nella letteratura)) da ) OR ( i grunde livre _ letteratura e ))*.