Perhaps you should try some spelling variations:
de pianoforte » e pianoforte, per pianoforte
opera teatro » para teatro
cerebro de » cerebro y
teatro y » teatro en
casas de » causas de, casos de, casa de
pezzi » pozzi
celebri » celebre, celebra, celebro

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 di) OR (cerebro de)) opera teatro y casas de pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi ((celebri di) OR (cerebro de)) opera teatro y casas de pianoforte.*.