Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi celebre » pezzi celebri
teatrali per » teatral de, teatral e
central de » centro de, centros de
cantor per » cantor de
celebre y » celebre el, celeste y
y open » _ open

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 celebre y open ((teatrali per) OR (central de)) cantor per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebre y open ((teatrali per) OR (central de)) cantor per pianoforte.*.