Talvez deva tentar algumas variações de ortografia:
computer node » computer nodes (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer note (Expandir a Pesquisa)
dale computer » dal computer (Expandir a Pesquisa), maple computer (Expandir a Pesquisa), scale computer (Expandir a Pesquisa)
natl comp » al comp (Expandir a Pesquisa), natalia comp (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
clamp cum » clamp m (Expandir a Pesquisa), clamp can (Expandir a Pesquisa), clamp em (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (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 natl comp can near ) OR ( j dna clamp cum new ))) OR ( j dale computer node non ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j natl comp can near ) OR ( j dna clamp cum new ))) OR ( j dale computer node non ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl comp can near ) OR ( j dna clamp cum new ))) OR ( j dale computer node non ))*.