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