Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
call computer » small computer (Expandir a Pesquisa), scale computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
gel compared » model compared (Expandir a Pesquisa), level compared (Expandir a Pesquisa)
compared van » compared can (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
como can » como canal (Expandir a Pesquisa), como canon (Expandir a Pesquisa), como cande (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j call » j calle (Expandir a Pesquisa), j calls (Expandir a Pesquisa), j calu (Expandir a Pesquisa)
j gel » j gelb (Expandir a Pesquisa), j gerl (Expandir a Pesquisa), _ gel (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 call computer based now ) or ( j gel compared van ngoc ))) or ( j e como can netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j call computer based now ) OR ( j gel compared van ngoc ))) OR ( j e como can netw ))*.