Talvez deva tentar algumas variações de ortografia:
dnan clamp » dna clamp (Expandir a Pesquisa), dna clamps (Expandir a Pesquisa), can clamp (Expandir a Pesquisa)
ivan ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
com ivan » com ian (Expandir a Pesquisa), com ilana (Expandir a Pesquisa), com ivone (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
_ dnan » _ dnak (Expandir a Pesquisa), _ dnaa (Expandir a Pesquisa), _ dnaj (Expandir a Pesquisa)
et com » et comb (Expandir a Pesquisa), et comp (Expandir a Pesquisa), et col (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j now » _ now (Expandir a Pesquisa), a now (Expandir a Pesquisa), i now (Expandir a Pesquisa)
j et » j e (Expandir a Pesquisa), j st (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 nat chimp ((can now) OR (can non)) ) OR ((( _ dnan clamp j now ) OR ( j et com ivan ngoc ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nat chimp ((can now) OR (can non)) ) OR ((( _ dnan clamp j now ) OR ( j et com ivan ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nat chimp ((can now) OR (can non)) ) OR ((( _ dnan clamp j now ) OR ( j et com ivan ngoc ))))*.