Perhaps you should try some spelling variations:
de pianoforte » e pianoforte, per pianoforte
opera teatro » para teatro
celebro di » celebri di, cerebro de
cerebro y » cerebral y, cerebro de
teatro y » teatro en
casos de » caso de, caso del
y casos » y casas, de casos, y carlos

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 ((celebro di) OR (cerebro y)) opera teatro y casos de pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi ((celebro di) OR (cerebro y)) opera teatro y casos de pianoforte.*".