Perhaps you should try some spelling variations:
pezzi celebro » pezzi celebri
de pianoforte » e pianoforte, per pianoforte
de pobreza » la pobreza, y pobreza
cuentos de » documentos de, cuentos tell
teatral a » teatral e, teatral las, teatral de
a cuentos » y cuentos, van cuentos, de cuentos
p perez » c perez, d perez, puy perez

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebro ((de pobreza) OR (p perez)) teatral a cuentos de pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebro ((de pobreza) OR (p perez)) teatral a cuentos de pianoforte.*.