Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi cerebro » pezzi celebri
generales que » generales de, general que, generales la
generales en » generales del, generales san, generales de
cerebro de » cerebro y
caso per » caso de, caso del, caso en
de open » del open, de orden

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 cerebro de open ((generales que) OR (generales en)) caso per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi cerebro de open ((generales que) OR (generales en)) caso per pianoforte.*.