Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
naturales en » culturales en
naturales y » naturaleza y, natural y, culturales y
centro per » centro de, centro del, centro re
celebri c » celebri di, celebre y
c perez » d perez, p perez, de perez
pezzi » pozzi

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri c perez ((naturales en) OR (naturales y)) centro per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri c perez ((naturales en) OR (naturales y)) centro per pianoforte.*.