Perhaps you should try some spelling variations:
opera teatrales » obras teatrales, opere teatrali
de pianoforte » e pianoforte, per pianoforte
teatrales en » teatrales tell, naturales en, generales en
en casos » de casos, y casos, en casa
casos de » caso de, caso del
pezzi » pozzi
celebri » celebre, celebra, celebro

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