Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
cat computer » cost computer (Expandir a Pesquisa), fast computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
nat computer » fast computer (Expandir a Pesquisa), icat computer (Expandir a Pesquisa), unit computer (Expandir a Pesquisa)
based near » based next (Expandir a Pesquisa), based neural (Expandir a Pesquisa)
based new » based next (Expandir a Pesquisa), based n (Expandir a Pesquisa)
a combe » la combe (Expandir a Pesquisa), a combes (Expandir a Pesquisa), a comb (Expandir a Pesquisa)
combe c » combe b (Expandir a Pesquisa)
c netw » c neto (Expandir a Pesquisa), soc netw (Expandir a Pesquisa)
a cat » _ cat (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (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 a combe c netw ) or ((( a cat computer based new ) or ( j nat computer based near ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j a combe c netw ) OR ((( a cat computer based new ) OR ( j nat computer based near )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j a combe c netw ) or ((( a cat computer based new ) or ( j nat computer based near ))))*.