Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
clamp cpas » clamp can (Expandir a Pesquisa), lamp cpa (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
natl comp » al comp (Expandir a Pesquisa), natalia comp (Expandir a Pesquisa)
comp van » comp can (Expandir a Pesquisa), comp va (Expandir a Pesquisa), stomp van (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
cpas new » cas new (Expandir a Pesquisa), cpam new (Expandir a Pesquisa), cma's new (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa), j natali (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: (( _ natl computer based now ) or ((( j natl comp van ngoc ) or ( j _ clamp cpas new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ natl computer based now ) OR ((( j natl comp van ngoc ) OR ( j _ clamp cpas new ))))*.