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)
scale now » scale snow (Expandir a Pesquisa), scale non (Expandir a Pesquisa), scale new (Expandir a Pesquisa)
nar comp » omar comp (Expandir a Pesquisa), r comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
c easter » _ easter (Expandir a Pesquisa), _ eastern (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
c nar » c nair (Expandir a Pesquisa), c narp (Expandir a Pesquisa), c nart (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: (( c nar comp can now ) 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: (( c nar comp can now ) 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": "(( c nar comp can now ) or ((( m (nacl OR nucl) clamp j noh ) or ( c easter congo scale now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( c nar comp can now ) or ((( m (nacl OR nucl) clamp j noh ) or ( c easter congo scale now ))))*.