Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
el computer » il computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa)
child can » child car (Expandir a Pesquisa), child care (Expandir a Pesquisa), child case (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
based no2 » based non (Expandir a Pesquisa), based noc (Expandir a Pesquisa), based nod (Expandir a Pesquisa)
al child » all child (Expandir a Pesquisa), al schild (Expandir a Pesquisa), al chile (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
j al » j l (Expandir a Pesquisa)
j el » j l (Expandir a Pesquisa), j e (Expandir a Pesquisa), j et (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 al child can near ) or ( j a clamp can new ))) or ( j el computer based no2 ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j al child can near ) OR ( j a clamp can new ))) OR ( j el computer based no2 )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j al child can near ) or ( j a clamp can new ))) or ( j el computer based no2 ))*.