Talvez deva tentar algumas variações de ortografia:
human computers » human computer (Expandir a Pesquisa), man computer (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computers may » computers can (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
via computer » a computer (Expandir a Pesquisa), _ computer (Expandir a Pesquisa), 3d computer (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
a computers » a computer's (Expandir a Pesquisa), a computer (Expandir a Pesquisa), _ computers (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
may newts » may newly (Expandir a Pesquisa), may new (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j human » 1 human (Expandir a Pesquisa), j humanic (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
a non » _ non (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 human computers a non ) or ((( j a computers may newts ) or ( _ via computer a netw ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j human computers a non ) OR ((( j a computers may newts ) OR ( _ via computer a netw ))))*.