Talvez deva tentar algumas variações de ortografia:
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
compared case » compared can (Expandir a Pesquisa), companies case (Expandir a Pesquisa), comparing case (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
compr than » complex than (Expandir a Pesquisa), company than (Expandir a Pesquisa), compact than (Expandir a Pesquisa)
than never » than ever (Expandir a Pesquisa)
can neck » van neck (Expandir a Pesquisa), pan neck (Expandir a Pesquisa), canal neck (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (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 natl computer can neck ) or ( j natl compr than never ))) or ( j natl compared case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl computer can neck ) OR ( j natl compr than never ))) OR ( j natl compared case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl computer can neck ) or ( j natl compr than never ))) or ( j natl compared case now ))*.