Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
can computers » can computer (Expandir a Pesquisa), than computers (Expandir a Pesquisa), can computed (Expandir a Pesquisa)
acm computer » um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa), cam computer (Expandir a Pesquisa)
kit compared » diet compared (Expandir a Pesquisa), unit compared (Expandir a Pesquisa), gait compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
j can » j cano (Expandir a Pesquisa), j cant (Expandir a Pesquisa), _ can (Expandir a Pesquisa)
_ acm » _ acmg (Expandir a Pesquisa), _ act (Expandir a Pesquisa), _ ace (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), a nos (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 can computers _ now ) or ( _ acm computer based now ))) or ( c kit compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j can computers _ now ) OR ( _ acm computer based now ))) OR ( c kit compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j can computers _ now ) or ( _ acm computer based now ))) or ( c kit compared a now ))*.