Perhaps you should try some spelling variations:
gases generales » bases generales, rasgos generales, leyes generales
pezzi celebro » pezzi celebri
y pianoforte » e pianoforte, _ pianoforte, de pianoforte
del cemento » el cemento, del evento
celebro de » cerebro de, celebri di
del cuento » el cuento, del centro, del cuerpo
de gases » de clases

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 celebro de gases generales ((del cemento) OR (del cuento)) y pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebro de gases generales ((del cemento) OR (del cuento)) y pianoforte.*".