Perhaps you should try some spelling variations:
per pianoforte » e pianoforte
pozzi celebri » pezzi celebri
opera central » sierra central, tierra central
de pianoforte » e pianoforte
central de » centro de, centros de
de puentes » de fuentes, de agentes

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