Perhaps you should try some spelling variations:
re pianoforte » e pianoforte, de pianoforte, per pianoforte
naturales en » naturales y, culturales en
en centro » en centros, el centro, un centro
centro re » centro de, centros de, centro del
c perez » p perez, de perez
d perez » de perez, p perez, del 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) OR (d perez)) naturales en centro re pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri ((c perez) OR (d perez)) naturales en centro re pianoforte.*.