Talvez deva tentar algumas variações de ortografia:
natl computer » dal computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
compared van » compared can (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
case near » cases near (Expandir a Pesquisa), base near (Expandir a Pesquisa), cdse near (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), j nat (Expandir a Pesquisa), j natali (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: (((( _ natl compr can netw ) or ( j natl computer case near ))) or ( j natl compared van ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ natl compr can netw ) OR ( j natl computer case near ))) OR ( j natl compared van ngoc )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ natl compr can netw ) or ( j natl computer case near ))) or ( j natl compared van ngoc ))*.