Talvez deva tentar algumas variações de ortografia:
nat'l computers » panel computers (Expandir a Pesquisa), analog computers (Expandir a Pesquisa), laptop computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), al compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
nar compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa)
_ nat'l » _ natal (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), _ nato's (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
j nar » j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa), j narr (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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 nar compr can near ) or ( _ nat'l computers can new ))) or ( j natl compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nar compr can near ) OR ( _ nat'l computers can new ))) OR ( j natl compared a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nar compr can near ) or ( _ nat'l computers can new ))) or ( j natl compared a now ))*.