Perhaps you should try some spelling variations:
pozzi celebri » pezzi celebri
opera teatral » opere teatrali, obra teatral
teatral de » teatral e, central de, teatro de
di opera » di opere, la opera, _ opera
calor en » valor en, calor del, amor en
calor e » calor de, calor y, valor e

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 : pozzi celebri di opera teatral de ((calor e) OR (calor en)) pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pozzi celebri di opera teatral de ((calor e) OR (calor en)) pianoforte.*.