Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
nucl computer » uml computer (Expandir a Pesquisa), annual computer (Expandir a Pesquisa), euclid computer (Expandir a Pesquisa)
campo can » campo con (Expandir a Pesquisa), camp can (Expandir a Pesquisa), campo canar (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
el campo » del campo (Expandir a Pesquisa), el cambio (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
_ nucl » _ nucle (Expandir a Pesquisa), _ nuck (Expandir a Pesquisa), _ nuce (Expandir a Pesquisa)
j el » j l (Expandir a Pesquisa), j e (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 el campo can near ) or ( j _ clamp can newts ))) or ( _ nucl computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j el campo can near ) OR ( j _ clamp can newts ))) OR ( _ nucl computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j el campo can near ) or ( j _ clamp can newts ))) or ( _ nucl computer based now ))*.