Talvez deva tentar algumas variações de ortografia:
companies case » companies based (Expandir a Pesquisa), companies a (Expandir a Pesquisa), companies act (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
ct companies » city companies (Expandir a Pesquisa), can companies (Expandir a Pesquisa), let companies (Expandir a Pesquisa)
yl computer » il computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
1 yl » 2 yl (Expandir a Pesquisa)
3 ct » 3 act (Expandir a Pesquisa), _ ct (Expandir a Pesquisa), 3 c (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 nat computers can now ) or ( 1 yl computer case now ))) or ( 3 ct companies case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat computers can now ) OR ( 1 yl computer case now ))) OR ( 3 ct companies case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computers can now ) or ( 1 yl computer case now ))) or ( 3 ct companies case now ))*.