Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
al computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), il computer (Expandir a Pesquisa)
clamp war » clamp ar (Expandir a Pesquisa), clamp a (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
nat camp » fat camp (Expandir a Pesquisa), a camp (Expandir a Pesquisa), ac camp (Expandir a Pesquisa)
camp via » amp via (Expandir a Pesquisa), camp a (Expandir a Pesquisa), pump via (Expandir a Pesquisa)
via near » via linear (Expandir a Pesquisa), a near (Expandir a Pesquisa), via next (Expandir a Pesquisa)
war news » cag news (Expandir a Pesquisa), a news (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j al » 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 nat camp via near ) or ( j a clamp war news ))) or ( j al computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat camp via near ) OR ( j a clamp war news ))) OR ( j al computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat camp via near ) or ( j a clamp war news ))) or ( j al computer based now ))*.