Perhaps you should try some spelling variations:
de documentos » y documentos
de pianoforte » e pianoforte, per pianoforte
obra teatral » obras teatrales
celebri de » celebri di
teatral de » teatral e, central de, teatro de
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 de documentos de pianoforte.~.
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri de obra teatral de documentos de pianoforte.*.