Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
acm computer » a computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
j natalie » _ natalie (Expandir a Pesquisa), j natalia (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
clark can » clark cain (Expandir a Pesquisa), clark cao (Expandir a Pesquisa), clark caron (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j newts » _ newts (Expandir a Pesquisa), j newton (Expandir a Pesquisa)
j acm » _ acm (Expandir a Pesquisa), j aim (Expandir a Pesquisa), j alm (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 natalie clark can near ) or ( j a clamp j newts ))) or ( j acm computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natalie clark can near ) OR ( j a clamp j newts ))) OR ( j acm computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natalie clark can near ) or ( j a clamp j newts ))) or ( j acm computer based now ))*.