Perhaps you should try some spelling variations:
open generales » ordenes generales, cortes generales
per pianoforte » de pianoforte
generales en » generales del, generales san, generales de
celebri de » celebri di
en casos » de casos, y casos, en casa
de open » del open, de orden
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 open generales en casos ((per pianoforte) OR (e pianoforte)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri de open generales en casos ((per pianoforte) OR (e pianoforte)).".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri de open generales en casos ((per pianoforte) OR (e pianoforte)).*.