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 can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
nat compared » rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
tail complex » oil complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa), gl complex (Expandir a Pesquisa)
complex care » complex case (Expandir a Pesquisa)
can newts » can newly (Expandir a Pesquisa)
care now » care new (Expandir a Pesquisa), care non (Expandir a Pesquisa)
j human » j humanic (Expandir a Pesquisa)
j tail » d tail (Expandir a Pesquisa), j tait (Expandir a Pesquisa)
_ nat » _ net (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nac (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 can new ) or ( _ nat compared can newts ))) or ( j tail complex care now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j human computers can new ) OR ( _ nat compared can newts ))) OR ( j tail complex care now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j human computers can new ) or ( _ nat compared can newts ))) or ( j tail complex care now ))*.