Perhaps you should try some spelling variations:
pezzi cerebro » pezzi celebri
opere teatral » opere teatrali
re pianoforte » e pianoforte, de pianoforte, per pianoforte
obra teatral » obras teatrales
cerebro de » cerebro y
centro re » centro de, centros de, centro del

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 ((opere teatral) OR (obra teatral)) del centro re pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi cerebro de ((opere teatral) OR (obra teatral)) del centro re pianoforte.*.