Perhaps you should try some spelling variations:
para pianoforte » per pianoforte, der pianoforte
pezzi celebre » pezzi celebri
tantos para » cantos para, textos para, datos para
de tantos » de santos, de tontos, de talentos
el open » del open, el orden
en open » en orden, del open

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) OR (en open)) centro de tantos para pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebre ((el open) OR (en open)) centro de tantos para pianoforte.*".