Talvez deva tentar algumas variações de ortografia:
nat'l computer » nature computer (Expandir a Pesquisa), novel computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
nat computer » cat computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
natl camp » al camp (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
_ nat'l » _ natal (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), _ nato's (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), e nat (Expandir a Pesquisa), j nay (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 nat computer can netw ) or ( j natl camp can netw ))) or ( _ nat'l computer can ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat computer can netw ) OR ( j natl camp can netw ))) OR ( _ nat'l computer can ngoc )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computer can netw ) or ( j natl camp can netw ))) or ( _ nat'l computer can ngoc ))*.