Perhaps you should try some spelling variations:
open generales » ordenes generales, cortes generales
per pianoforte » de pianoforte
pezzi cerebro » pezzi celebri
generales de » general de, general del
cerebro de » cerebro y
de open » del open, de orden

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 cerebro de open generales de casos ((per pianoforte) OR (e pianoforte)).~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi cerebro de open generales de casos ((per pianoforte) OR (e pianoforte)).*.