Perhaps you should try some spelling variations:
de pianoforte » e pianoforte, per pianoforte
teatrali per » teatral de, teatral e
de pobreza » la pobreza, y pobreza
per cantos » per canto, perez santos
cantos de » cuentos de, puntos de
p perez » c perez, d perez, puy perez
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 ((de pobreza) OR (p perez)) teatrali per cantos de pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri ((de pobreza) OR (p perez)) teatrali per cantos de pianoforte.*".