Perhaps you should try some spelling variations:
der pianoforte » de pianoforte, per pianoforte, del pianoforte
pezzi celebra » pezzi celebri
federal para » general para, federal las
canto der » canto de, canto del, cantos del
de sobra » de sombra, de obra, de sombras
di obra » de obra, de obras

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