Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
led companies » lead companies (Expandir a Pesquisa), listed companies (Expandir a Pesquisa), based companies (Expandir a Pesquisa)
iet computer » ut computer (Expandir a Pesquisa), pet computed (Expandir a Pesquisa), joint computer (Expandir a Pesquisa)
companies ct » companies act (Expandir a Pesquisa), companies cut (Expandir a Pesquisa), companies acts (Expandir a Pesquisa)
care compare » care compared (Expandir a Pesquisa), core compared (Expandir a Pesquisa), scale compare (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
ct new » act new (Expandir a Pesquisa)
j care » j carel (Expandir a Pesquisa), j carey (Expandir a Pesquisa), j carne (Expandir a Pesquisa)
j iet » _ iet (Expandir a Pesquisa)
j led » j ledo (Expandir a Pesquisa), j lee (Expandir a Pesquisa), _ led (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 iet computer based snow ) or ((( j led companies ct new ) or ( j care compare _ non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j iet computer based snow ) OR ((( j led companies ct new ) OR ( j care compare _ non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j iet computer based snow ) or ((( j led companies ct new ) or ( j care compare _ non ))))*.