Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi celebra » pezzi celebri
canton per » canzone per, canton de
teatro de » teatro del, centro de, dentro de
de canton » de canon, de anton, de carton
di obras » diaz obras, diez obras, dos obras

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 celebra ((di obras) OR (de obras)) teatro de canton per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebra ((di obras) OR (de obras)) teatro de canton per pianoforte.*.