Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
cost computer » joint computer (Expandir a Pesquisa), about computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa)
al compared » ml compared (Expandir a Pesquisa), meal compared (Expandir a Pesquisa), nacl compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
based new » based next (Expandir a Pesquisa), based near (Expandir a Pesquisa), based n (Expandir a Pesquisa)
j cost » j costa (Expandir a Pesquisa), j coast (Expandir a Pesquisa), j colt (Expandir a Pesquisa)
j il » j l (Expandir a Pesquisa), j i (Expandir a Pesquisa), j el (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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 il computer can new ) or ( j cost computer based new ))) or ( j al compared a new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j il computer can new ) OR ( j cost computer based new ))) OR ( j al compared a new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j il computer can new ) or ( j cost computer based new ))) or ( j al compared a new ))*.