Talvez deva tentar algumas variações de ortografia:
human computers » human computer (Expandir a Pesquisa), man computer (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
compared case » compared cases (Expandir a Pesquisa), compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa)
acl compared » nacl compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
l clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
j human » j humanic (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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: (((( _ acl compared case netw ) or ( j l clamp can non ))) or ( j human computers a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ acl compared case netw ) OR ( j l clamp can non ))) OR ( j human computers a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ acl compared case netw ) or ( j l clamp can non ))) or ( j human computers a now ))*.