Perhaps you should try some spelling variations:
del pianoforte » de pianoforte, der pianoforte, e pianoforte
pezzi celebre » pezzi celebri
teatrali el » teatrali per, teatral e, teatrales en
de pobreza » la pobreza, y pobreza
caso del » caso de
d perez » de perez, c perez, p perez

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 celebre ((d perez) OR (de pobreza)) teatrali el caso del pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebre ((d perez) OR (de pobreza)) teatrali el caso del pianoforte.*".