Perhaps you should try some spelling variations:
obras generales » normas generales, obras teatrales, deberes generales
per pianoforte » de pianoforte
pezzi celebre » pezzi celebri
generales y » generales de, generales la
celebre el » celebre y
el obras » en obras, de obras, y obras

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 el obras generales y canto ((per pianoforte) OR (e pianoforte)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebre el obras generales y canto ((per pianoforte) OR (e pianoforte)).*".