Talvez deva tentar algumas variações de ortografia:
nacl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
computer code » computer model (Expandir a Pesquisa), computer models (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
code nec2 » code need (Expandir a Pesquisa), code net (Expandir a Pesquisa), code new (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
a nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
a dna » _ dna (Expandir a Pesquisa)
j new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), 2 new (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl compr can near ) OR ( a dna clamp j new ))) OR ( a nacl computer code nec2 ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl compr can near ) or ( a dna clamp j new ))) or ( a nacl computer code nec2 ))*.