Perhaps you should try some spelling variations:
opera teatrali » opere teatrali, obra teatral
pezzi celebra » pezzi celebri
y pianoforte » e pianoforte, _ pianoforte, de pianoforte
celebra la » celebrando la
la opera » la oferta, la espera, la obra
el canto » el cuento, el centro, el campo

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 la opera teatrali ((el canto) OR (el caso)) y pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebra la opera teatrali ((el canto) OR (el caso)) y pianoforte.*.