Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
al computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
based near » based next (Expandir a Pesquisa), based neural (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (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 natali (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
a how » _ how (Expandir a Pesquisa), a hot (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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 al computer based near ))) or ( j nat compared a how ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl comp can netw ) OR ( j al computer based near ))) OR ( j nat compared a how )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl comp can netw ) or ( j al computer based near ))) or ( j nat compared a how ))*.