Perhaps you should try some spelling variations:
der pianoforte » de pianoforte, per pianoforte, del pianoforte
pezzi celeste » pezzi celebri
opere teatral » opere teatrali
obra teatral » obras teatrales
canto der » canto de, canto del, cantos del
6 canto » y canto, v canto, el canto

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 celeste y ((opere teatral) OR (obra teatral)) 6 canto der pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celeste y ((opere teatral) OR (obra teatral)) 6 canto der pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celeste y ((opere teatral) OR (obra teatral)) 6 canto der pianoforte.*.