Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi celebra » pezzi celebri
federal para » general para, federal las
general las » general la, general los, general san
celebra di » celebri di
canto per » canto para, canto de, canto del
di obra » de obra, de obras, de sobra

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 celebra di obra ((federal para) OR (general las)) canto per pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebra di obra ((federal para) OR (general las)) canto per pianoforte.*".