Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi celebra » pezzi celebri
benito perez » benito cereno, benito juarez
perez santos » perez carlos, perez galdos, lopez santos
santos per » santos lopez
ii2 para » 12 para, 5.2 para, aie para
2 para » 2 part

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 celebra ((ii2 para) OR (2 para)) benito perez santos per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebra ((ii2 para) OR (2 para)) benito perez santos per pianoforte.*.