Perhaps you should try some spelling variations:
y pianoforte » e pianoforte, _ pianoforte, de pianoforte
teatro de » teatro del, centro de, dentro de
di opera » di opere, la opera
de canto » del canto, de canton, per canto
_ opera » la opera
pezzi » pozzi
celebri » celebre, celebra, celebro

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

• Performing a fuzzy search may retrieve terms with similar spellings: Biblioteca lirica : pezzi celebri ((di opera) OR (_ opera)) teatro de canto y pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri ((di opera) OR (_ opera)) teatro de canto y pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri ((di opera) OR (_ opera)) teatro de canto y pianoforte.*.