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 age (Expandir a Pesquisa), computer code (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can now (Expandir a Pesquisa), can near (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
c nast » c nash (Expandir a Pesquisa), c nass (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ 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 natl computer case netw ) OR ((( j nat compr can newts ) OR ( c nast compr can netw ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j natl computer case netw ) OR ((( j nat compr can newts ) OR ( c nast compr can netw ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j natl computer case netw ) OR ((( j nat compr can newts ) OR ( c nast compr can netw ))))*.