Perhaps you should try some spelling variations:
opere generales » deberes generales, ordenes generales
generales en » generales del, generales san, generales de
celebre di » celebri di, celebre y
celebre el » celebre y
en centro » en centros, el centro, un centro
centro e » centro de, centro re, centro y

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 ((celebre di) OR (celebre el)) opere generales en centro e pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi ((celebre di) OR (celebre el)) opere generales en centro e pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi ((celebre di) OR (celebre el)) opere generales en centro e pianoforte.*.