Talvez deva tentar algumas variações de ortografia:
easter congo » eastern congo (Expandir a Pesquisa), eastern bongo (Expandir a Pesquisa), east congo (Expandir a Pesquisa)
congo scale » congo style (Expandir a Pesquisa), congo care (Expandir a Pesquisa), congo case (Expandir a Pesquisa)
bat chirp » band chirp (Expandir a Pesquisa), fast chirp (Expandir a Pesquisa), a chirp (Expandir a Pesquisa)
scale now » scale snow (Expandir a Pesquisa), scale non (Expandir a Pesquisa), scale new (Expandir a Pesquisa)
chirp ha » chirp a (Expandir a Pesquisa), chirp can (Expandir a Pesquisa), chirp _ (Expandir a Pesquisa)
c easter » _ easter (Expandir a Pesquisa)
ha ngoc » pham ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
e bat » e batt (Expandir a Pesquisa), _ bat (Expandir a Pesquisa), a bat (Expandir a Pesquisa)
j noh » _ noh (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nail (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( e bat chirp ha ngoc ) or ((( m (nacl OR nucl) clamp j noh ) or ( c easter congo scale now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e bat chirp ha ngoc ) OR ((( m (nacl OR nucl) clamp j noh ) OR ( c easter congo scale now ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( e bat chirp ha ngoc ) or ((( m (nacl OR nucl) clamp j noh ) or ( c easter congo scale now ))))*".