Talvez deva tentar algumas variações de ortografia:
nart computer » heart computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), art computed (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer data (Expandir a Pesquisa)
dnan clamp » dna clamp (Expandir a Pesquisa), dna clamps (Expandir a Pesquisa), can clamp (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
cac netw » soc netw (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j dnan » _ dnan (Expandir a Pesquisa), j dna (Expandir a Pesquisa), a dnan (Expandir a Pesquisa)
j nart » _ nart (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j narr (Expandir a Pesquisa)
j nat » _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa), j nay (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 compr cac netw ) OR ( j dnan clamp can netw ))) OR ( j nart computer can now ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nat compr cac netw ) OR ( j dnan clamp can netw ))) OR ( j nart computer can now ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat compr cac netw ) OR ( j dnan clamp can netw ))) OR ( j nart computer can now ))*.