Perhaps you should try some spelling variations:
de pianoforte » e pianoforte, per pianoforte
generales en » generales del, generales san, generales de
diaz perez » adrian perez
di perez » d perez, de perez, del perez
en casos » de casos, y casos, en casa
casos de » caso de, caso del
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 perez) OR (diaz perez)) generales en casos de pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri ((di perez) OR (diaz perez)) generales en casos de pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebri ((di perez) OR (diaz perez)) generales en casos de pianoforte.*.