Talvez deva tentar algumas variações de ortografia:
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
fast computer » cost computer (Expandir a Pesquisa), best computer (Expandir a Pesquisa), fast computing (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
aided now » aided non (Expandir a Pesquisa), aided noma (Expandir a Pesquisa), aided n (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j fast » j faust (Expandir a Pesquisa), 3 fast (Expandir a Pesquisa), 0 fast (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (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 fast computer aided now ) or ( j natl compr can non ))) or ( j natl compared can now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j fast computer aided now ) OR ( j natl compr can non ))) OR ( j natl compared can now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j fast computer aided now ) or ( j natl compr can non ))) or ( j natl compared can now ))*.