Talvez deva tentar algumas variações de ortografia:
what computers » how computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), what consumers (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
compared cause » compared case (Expandir a Pesquisa), compared cases (Expandir a Pesquisa), complex cause (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
unit compared » test compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa), diet compared (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa)
based snow » based snp (Expandir a Pesquisa)
cause non » causes non (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
e what » de what (Expandir a Pesquisa), age what (Expandir a Pesquisa), die what (Expandir a Pesquisa)
3 unit » a unit (Expandir a Pesquisa)
3 il » _ il (Expandir a Pesquisa), 3 yl (Expandir a Pesquisa), e il (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: (((( e what computers can now ) or ( 3 il computer based snow ))) or ( 3 unit compared cause non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e what computers can now ) OR ( 3 il computer based snow ))) OR ( 3 unit compared cause non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e what computers can now ) or ( 3 il computer based snow ))) or ( 3 unit compared cause non ))*.