Talvez deva tentar algumas variações de ortografia:
held computers » held computer (Expandir a Pesquisa), handheld computers (Expandir a Pesquisa)
colt computer » cost computer (Expandir a Pesquisa), color computer (Expandir a Pesquisa), cat computer (Expandir a Pesquisa)
days compared » assays compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
j days » j davys (Expandir a Pesquisa), j daas (Expandir a Pesquisa)
a newt » _ newt (Expandir a Pesquisa), a news (Expandir a Pesquisa), a neat (Expandir a Pesquisa)
j colt » j colet (Expandir a Pesquisa), j cole (Expandir a Pesquisa), j cola (Expandir a Pesquisa)
a netb » a neto (Expandir a Pesquisa), _ netb (Expandir a Pesquisa), a neta (Expandir a Pesquisa)
_ held » _ hela (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 days compared a newt ) or ((( j colt computer a netb ) or ( _ held computers _ netw ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j days compared a newt ) OR ((( j colt computer a netb ) OR ( _ held computers _ netw )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j days compared a newt ) or ((( j colt computer a netb ) or ( _ held computers _ netw ))))*.