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)
nacl computer » dal computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa)
acl companies » oil companies (Expandir a Pesquisa), psl companies (Expandir a Pesquisa), tfl companies (Expandir a Pesquisa)
computer vi » computer vii (Expandir a Pesquisa), computer v3 (Expandir a Pesquisa), computer vs (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
vi note » vii note (Expandir a Pesquisa), ii note (Expandir a Pesquisa), i note (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), j nay (Expandir a Pesquisa)
j acl » _ acl (Expandir a Pesquisa), j adl (Expandir a Pesquisa), 8 acl (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 new ) or ( 3 nacl computer vi note ))) or ( j acl companies case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat computers can new ) OR ( 3 nacl computer vi note ))) OR ( j acl companies case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computers can new ) or ( 3 nacl computer vi note ))) or ( j acl companies case now ))*.