Perhaps you should try some spelling variations:
opere central » opere teatrali
de pianoforte » e pianoforte, per pianoforte
de insercion » de inversion, la insercion, de integracion
insercion de » inspeccion de, insercion en
central de » centro de, centros de
cerebro y » cerebral y

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 ((cerebro de) OR (cerebro y)) opere central de insercion de pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi ((cerebro de) OR (cerebro y)) opere central de insercion de pianoforte.*".