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

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 celebre el open ((teatrali per) OR (central de)) cantor per pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebre el open ((teatrali per) OR (central de)) cantor per pianoforte.*".