Perhaps you should try some spelling variations:
bases generales » rasgos generales, bases neurales, leyes generales
de pianoforte » e pianoforte, per pianoforte
generales en » generales del, generales san, generales de
cinco de » circo de, clinico de, cuenco de
y bases » y clases, de bases
pezzi » pozzi

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 (celebri OR celebre) y bases generales en cinco de pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi (celebri OR celebre) y bases generales en cinco de pianoforte.*".