Perhaps you should try some spelling variations:
obra teatrali » obra teatral, obras teatrales, opere teatrali
teatrali per » teatral de, teatral e
casos en » casos de
di obra » de obra, de obras, de sobra
caso en » caso del
pezzi » pozzi
celebri » celebre, celebra, celebro

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 di obra teatrali per ((caso en) OR (casos en)) pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri di obra teatrali per ((caso en) OR (casos en)) pianoforte.*".