Perhaps you should try some spelling variations:
obras treatrales » obras teatrales, obra teatral, obras generales
del pianoforte » de pianoforte, der pianoforte, e pianoforte
treatrales a » treatrales y, teatrales una, teatrales en
cantos del » cantos de, canto del, cuentos del
di obras » de obras, diaz obras, diez obras
a cantos » 3 cantos, a santos, ida cantos

You may be able to get more results by adjusting your search query.

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