Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi celebro » pezzi celebri
central el » central del, central en, centrales el
cartas per » cartas por, cartas para, cartas de
el cartas » en cartas, ed cartas, de cartas
di obra » de obras, de sobra
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 celebro ((di obra) OR (de obra)) central el cartas per pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebro ((di obra) OR (de obra)) central el cartas per pianoforte.*".