Perhaps you should try some spelling variations:
el pianoforte » del pianoforte, e pianoforte, per pianoforte
naturales en » naturales y, culturales en
general san » general en, general la
san opera » soap opera, la opera
teatral e » teatral de, teatrales en, teatral tell
caso el » caso del, caso en, casos en
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 general san opera ((teatral e) OR (naturales en)) caso el pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi general san opera ((teatral e) OR (naturales en)) caso el pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi general san opera ((teatral e) OR (naturales en)) caso el pianoforte.*.