Perhaps you should try some spelling variations:
y pianoforte » e pianoforte, _ pianoforte, de pianoforte
y centros » de centros, en centros
centros y » centro y, centros de, central y
di opera » la opera, _ opera
teatro y » teatro en
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 opera) OR (di opere)) teatro y centros y pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri ((di opera) OR (di opere)) teatro y centros y pianoforte.*.