Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi celebre » pezzi celebri
canton per » canzone per, canton de
dentro de » centro de
de canton » de canon, de anton, de carton
el opere » di opere
el open » del open, en open, el orden

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 ((el opere) OR (el open)) dentro de canton per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebre ((el opere) OR (el open)) dentro de canton per pianoforte.*.