Talvez deva tentar algumas variações de ortografia:
using computers » using computer (Expandir a Pesquisa), using computed (Expandir a Pesquisa), using computerized (Expandir a Pesquisa)
fast computers » fast computer (Expandir a Pesquisa), cost computers (Expandir a Pesquisa), latest computers (Expandir a Pesquisa)
computers can » computers _ (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
sgj using » 6j using (Expandir a Pesquisa), j using (Expandir a Pesquisa), tmj using (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
a now » a nowe (Expandir a Pesquisa), a new (Expandir a Pesquisa), a non (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: (((( _ fast computers can now ) or ( sgj using computers a now ))) or ( j natl compared can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ fast computers can now ) OR ( sgj using computers a now ))) OR ( j natl compared can now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ fast computers can now ) or ( sgj using computers a now ))) or ( j natl compared can now ))*.