Talvez deva tentar algumas variações de ortografia:
congo van » cong van (Expandir a Pesquisa), congo fan (Expandir a Pesquisa), congo dans (Expandir a Pesquisa)
akt camp » akt ctmp (Expandir a Pesquisa), akt ampk (Expandir a Pesquisa), akt ap (Expandir a Pesquisa)
akt cgmp » akt ctmp (Expandir a Pesquisa), a cgmp (Expandir a Pesquisa), anp cgmp (Expandir a Pesquisa)
ed congo » rd congo (Expandir a Pesquisa), r.d congo (Expandir a Pesquisa), au congo (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
a clamp » c clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
ca now » can now (Expandir a Pesquisa), ca no3 (Expandir a Pesquisa), ca non (Expandir a Pesquisa)
j nowe » i nowe (Expandir a Pesquisa), a nowe (Expandir a Pesquisa), v nowe (Expandir a Pesquisa)
j ed » j e (Expandir a Pesquisa), j d (Expandir a Pesquisa), j et (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 ((akt camp) OR (akt cgmp)) ca now ) or ((( j a clamp j nowe ) or ( j ed congo van ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j ((akt camp) OR (akt cgmp)) ca now ) OR ((( j a clamp j nowe ) OR ( j ed congo van ngoc )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j ((akt camp) OR (akt cgmp)) ca now ) or ((( j a clamp j nowe ) or ( j ed congo van ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j ((akt camp) OR (akt cgmp)) ca now ) or ((( j a clamp j nowe ) or ( j ed congo van ngoc ))))*.