Talvez deva tentar algumas variações de ortografia:
dnan clamp » dna clamp (Expandir a Pesquisa), dna clamps (Expandir a Pesquisa), can clamp (Expandir a Pesquisa)
j faghri » j fahr (Expandir a Pesquisa), j faberi (Expandir a Pesquisa), j fagir (Expandir a Pesquisa)
cong van » cuong van (Expandir a Pesquisa), jong van (Expandir a Pesquisa), tong van (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (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)
ca now » ca no3 (Expandir a Pesquisa), ca non (Expandir a Pesquisa), care now (Expandir a Pesquisa)
_ dnan » _ dnak (Expandir a Pesquisa), _ dnaa (Expandir a Pesquisa), _ dnaj (Expandir a Pesquisa)
d cong » d cone (Expandir a Pesquisa)
j now » _ now (Expandir a Pesquisa), a now (Expandir a Pesquisa), i now (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 faghri camp ((ca now) or (can now)) ) or ((( _ dnan clamp j now ) or ( j d cong van ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j faghri camp ((ca now) OR (can now)) ) OR ((( _ dnan clamp j now ) OR ( j d cong van ngoc )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j faghri camp ((ca now) or (can now)) ) or ((( _ dnan clamp j now ) or ( j d cong van ngoc ))))*.