Perhaps you should try some spelling variations:
obras centrales » obras teatrales, obras generales, obras corales
per pianoforte » de pianoforte
pezzi celebre » pezzi celebri
centrales y » centrales de, centrales el, centrales en
celebre y » celebre el, celeste y
y obras » y otras, y obra, de obras

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 y obras centrales y canto ((per pianoforte) OR (e pianoforte)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebre y obras centrales y canto ((per pianoforte) OR (e pianoforte)).*".