Talvez deva tentar algumas variações de ortografia:
human computers » human computer (Expandir a Pesquisa), man computer (Expandir a Pesquisa), human amputees (Expandir a Pesquisa)
computers chap » computers can (Expandir a Pesquisa), computers may (Expandir a Pesquisa), computers have (Expandir a Pesquisa)
can computers » can computer (Expandir a Pesquisa), than computers (Expandir a Pesquisa), can computed (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)
chap newts » can newts (Expandir a Pesquisa)
j human » j humanic (Expandir a Pesquisa)
a ngoc » ha ngoc (Expandir a Pesquisa), ta ngoc (Expandir a Pesquisa), la ngoc (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
j can » j cano (Expandir a Pesquisa), j cant (Expandir a Pesquisa), _ can (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 can computers a ngoc ))) or ( j a computers chap newts ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j human computers a non ) OR ( j can computers a ngoc ))) OR ( j a computers chap newts )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j human computers a non ) or ( j can computers a ngoc ))) or ( j a computers chap newts ))*.