Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
cat computer » cost computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
cl compared » acl compared (Expandir a Pesquisa), ml compared (Expandir a Pesquisa), 5l compared (Expandir a Pesquisa)
based netw » based new (Expandir a Pesquisa), based net (Expandir a Pesquisa), based next (Expandir a Pesquisa)
natl comp » al comp (Expandir a Pesquisa), natalia comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j cat » _ cat (Expandir a Pesquisa), a cat (Expandir a Pesquisa), j cao (Expandir a Pesquisa)
j cl » j c (Expandir a Pesquisa), j l (Expandir a Pesquisa), j al (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 netw ) or ( j cat computer based netw ))) or ( j cl compared can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl comp can netw ) OR ( j cat computer based netw ))) OR ( j cl compared can netw )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl comp can netw ) or ( j cat computer based netw ))) or ( j cl compared can netw ))*.