Talvez deva tentar algumas variações de ortografia:
delta computer » data computer (Expandir a Pesquisa), stella computer (Expandir a Pesquisa), delphi computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
aix computers » aix computer (Expandir a Pesquisa), aids computers (Expandir a Pesquisa), a computers (Expandir a Pesquisa)
nat compared » fat compared (Expandir a Pesquisa), rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (Expandir a Pesquisa)
j aix » _ aix (Expandir a Pesquisa), j aim (Expandir a Pesquisa), d aix (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e 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 delta computer based now ) or ( j aix computers _ now ))) or ( j nat compared a new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j delta computer based now ) OR ( j aix computers _ now ))) OR ( j nat compared a new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j delta computer based now ) or ( j aix computers _ now ))) or ( j nat compared a new ))*.