Talvez deva tentar algumas variações de ortografia:
computer calero » computer alert (Expandir a Pesquisa), computer alerts (Expandir a Pesquisa), computer case (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
nay computer » navy computer (Expandir a Pesquisa), ray computer (Expandir a Pesquisa), only computer (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer 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)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (Expandir a Pesquisa)
narr » nar (Expandir a Pesquisa), barr (Expandir a Pesquisa), nair (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 computers a netw ) OR ( j nay computer calero nieto ))) OR ( l narr compr can netw ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j nat computers a netw ) OR ( j nay computer calero nieto ))) OR ( l narr compr can netw ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computers a netw ) OR ( j nay computer calero nieto ))) OR ( l narr compr can netw ))*.