Perhaps you should try some spelling variations:
de pianoforte » e pianoforte, per pianoforte
generales en » generales del, generales san, generales de
celebri de » celebri di
centros de » centro de
cantos de » cuentos de, puntos de
de perez » del perez, d perez, de pureza
pezzi » pozzi

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 celebri de perez ((centros de) OR (generales en)) cantos de pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri de perez ((centros de) OR (generales en)) cantos de pianoforte.*.