Perhaps you should try some spelling variations:
obras teatral » obras teatrales
obra teatral » obras teatrales
a pianoforte » e pianoforte, _ pianoforte, de pianoforte
celebri de » celebri di
per cantos » per canto, perez santos
cantos a » canto a, cantos de, canto y
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 ((obras teatral) OR (obra teatral)) per cantos a pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri de ((obras teatral) OR (obra teatral)) per cantos a pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri de ((obras teatral) OR (obra teatral)) per cantos a pianoforte.*.