Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
teatral de » teatral e, central de, teatro de
cantos per » cantos para, cantos de, cantos del
di sombra » mi sombra, de sombras, la sombra
de sombra » la sombra, su sombra
de cantos » de canton, de santos, de tantos
pezzi » pozzi
celebri » celebre, celebra, celebro

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 : pezzi celebri ((di sombra) OR (de sombra)) teatral de cantos per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri ((di sombra) OR (de sombra)) teatral de cantos per pianoforte.*.