Perhaps you should try some spelling variations:
per pianoforte » de pianoforte
obra teatral » obras teatrales
teatral las » teatro las
las agentes » los agentes, las gentes, las fuentes
celebri de » celebri di
de obra » de obras
pezzi » pozzi

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 de obra teatral las agentes ((e pianoforte) OR (per pianoforte)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri de obra teatral las agentes ((e pianoforte) OR (per pianoforte)).".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri de obra teatral las agentes ((e pianoforte) OR (per pianoforte)).*.