Perhaps you should try some spelling variations:
opera teatrali » opere teatrali, obra teatral
pezzi celebre » pezzi celebri
de pianoforte » e pianoforte, per pianoforte
per centros » para centros, de centros, en centros
celebre el » celebre y
un centro » el centro, un cuento, un encuentro
el opera » la opera, _ opera, el open

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 celebre el opera teatrali ((per centros) OR (un centro)) de pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebre el opera teatrali ((per centros) OR (un centro)) de pianoforte.*".