Perhaps you should try some spelling variations:
opera teatral » opere teatrali, obra teatral
de pianoforte » e pianoforte, per pianoforte
teatral y » teatral e, teatral de, teatro y
cantos de » cuentos de, puntos de
di opera » di opere, la opera, _ opera
y cantos » y canto, 3 cantos, a cantos

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 OR pozzi) celebri di opera teatral y cantos de pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : (pezzi OR pozzi) celebri di opera teatral y cantos de pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : (pezzi OR pozzi) celebri di opera teatral y cantos de pianoforte.*.