Perhaps you should try some spelling variations:
obras generales » normas generales, obras teatrales, deberes generales
per pianoforte » e pianoforte, de pianoforte
generales de » general de, general del
canton per » canzone per, canton de
de canton » de canon, de anton, de carton
pezzi » pozzi

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 (celebri OR celebre) _ obras generales de canton per pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi (celebri OR celebre) _ obras generales de canton per pianoforte.*".