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 can » comp can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can netw » can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa), can near (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 compr can netw ) or ( j natl computer can new ))) or ( j natl compared case now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl compr can netw ) OR ( j natl computer can new ))) OR ( j natl compared case now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl compr can netw ) or ( j natl computer can new ))) or ( j natl compared case now ))*.