Perhaps you should try some spelling variations:
nella letteratura » della letteratura
letteratura del » letteratura e, literatura del, literatura de
letteratura di » letteratura e, literatura de
e letteratura » y literatura, e literatur
grunde livre » grande livre, grand livre, grunde liegen
libro sex » libros sex, libri sex, libro de
i gran » i grand, i grain, i grani

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 gran libro sex ((letteratura del) OR (letteratura di)) ) OR ( i grunde livre ((nella letteratura) OR (e letteratura)) di ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i gran libro sex ((letteratura del) OR (letteratura di)) ) or ( i grunde livre ((nella letteratura) or (e letteratura)) di ))*".