Perhaps you should try some spelling variations:
opera teatral » opere teatrali, obra teatral
de pianoforte » e pianoforte, per pianoforte
celebro di » celebri di, cerebro de
cerebro y » cerebral y, cerebro de
teatral y » teatral e, teatral de, teatro y
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 teatral 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 teatral y casos de pianoforte.*".