Perhaps you should try some spelling variations:
sombra generales » obras generales
pozzi celebri » pezzi celebri
generales en » generales del, generales san, generales de
celebri su » celebri di
su sombra » su obra, la sombra
canto e » canto de, cantos de, canto del

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: "Biblioteca lirica : pozzi celebri su sombra generales en ((canto e) OR (canto y)) pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pozzi celebri su sombra generales en ((canto e) OR (canto y)) pianoforte.*.