Talvez deva tentar algumas variações de ortografia:
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)
ct computer » cat computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa), ct computed (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j ct » j c (Expandir a Pesquisa), j st (Expandir a Pesquisa), j et (Expandir a Pesquisa)
narp » nar (Expandir a Pesquisa), nlrp (Expandir a Pesquisa), nadp (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nat computer can netw ) OR ( _ narp compr can near ))) OR ( j ct computer _ new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computer can netw ) OR ( _ narp compr can near ))) OR ( j ct computer _ new ))*.