Talvez deva tentar algumas variações de ortografia:
than computers » than computer (Expandir a Pesquisa), can computers (Expandir a Pesquisa), when computers (Expandir a Pesquisa)
nacl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
computer i » computer im (Expandir a Pesquisa), computer _ (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
j than » 6j than (Expandir a Pesquisa), j tham (Expandir a Pesquisa), j thad (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
notes » noted (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 than computers a non ) or ( 3 nacl computer i notes ))) or ( j natl compared a non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j than computers a non ) OR ( 3 nacl computer i notes ))) OR ( j natl compared a non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j than computers a non ) or ( 3 nacl computer i notes ))) or ( j natl compared a non ))*.