Perhaps you should try some spelling variations:
obras centrales » obras teatrales, obras generales, obras corales
de pianoforte » per pianoforte
centrales de » central de, generales de, culturales de
di obras » de obras, diaz obras, diez obras
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 obras centrales de san ((de pianoforte) OR (e pianoforte)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri di obras centrales de san ((de pianoforte) OR (e pianoforte)).*".