Perhaps you should try some spelling variations:
della letteratura » nella letteratura, e letteratura
et litterature » la litterature, art literature
litterature da » litterature de, litterature du, litterature des
grant general » grand general, grande general, great general
grain libro » gran libro, grain fibril
libro della » libro del, piero della
i grain » ii grain
i grant » i grand, i grani, i graft

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 grain libro della letteratura e ) OR ( i grant general et litterature da )).
• Adding a wildcard symbol may retrieve word variants: (( i grain libro della letteratura e ) or ( i grant general et litterature da ))*.