Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
al comp » al como (Expandir a Pesquisa), al com (Expandir a Pesquisa), al compas (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (Expandir a Pesquisa)
3 il » _ il (Expandir a Pesquisa), e il (Expandir a Pesquisa), 6 il (Expandir a Pesquisa)
3 yl » 2 yl (Expandir a Pesquisa), 1 yl (Expandir a Pesquisa), 4 yl (Expandir a Pesquisa)
a a » a la (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 al comp can new ) or ( a a clamp a newts ))) or ( ((3 il) OR (3 yl)) computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j al comp can new ) OR ( a a clamp a newts ))) OR ( ((3 il) OR (3 yl)) computer based now ))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j al comp can new ) or ( a a clamp a newts ))) or ( ((3 il) OR (3 yl)) computer based now ))*".