Talvez deva tentar algumas variações de ortografia:
east congo » fast congo (Expandir a Pesquisa), east mongol (Expandir a Pesquisa), west congo (Expandir a Pesquisa)
congo cal » congo cas (Expandir a Pesquisa), congo scale (Expandir a Pesquisa), congo care (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (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)
cal now » call now (Expandir a Pesquisa), canal now (Expandir a Pesquisa), cell now (Expandir a Pesquisa)
j nart » j narr (Expandir a Pesquisa), c nart (Expandir a Pesquisa), j nare (Expandir a Pesquisa)
_ nart » _ narp (Expandir a Pesquisa), _ nara (Expandir a Pesquisa), _ narl (Expandir a Pesquisa)
c east » _ east (Expandir a Pesquisa), c easter (Expandir a Pesquisa)
j noh » _ noh (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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: (( ((j nart) OR (_ nart)) comp can now ) or ((( m nacl clamp j noh ) or ( c east congo cal now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( ((j nart) OR (_ nart)) comp can now ) OR ((( m nacl clamp j noh ) OR ( c east congo cal now )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( ((j nart) OR (_ nart)) comp can now ) or ((( m nacl clamp j noh ) or ( c east congo cal now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( ((j nart) OR (_ nart)) comp can now ) or ((( m nacl clamp j noh ) or ( c east congo cal now ))))*.