Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
nacl compare » nacl compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa), penal compare (Expandir a Pesquisa)
acm computer » a computer (Expandir a Pesquisa), um computer (Expandir a Pesquisa), uym computer (Expandir a Pesquisa)
compare low » compare long (Expandir a Pesquisa), compact low (Expandir a Pesquisa), compare le (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
low near » flow near (Expandir a Pesquisa), low wear (Expandir a Pesquisa), low fear (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (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 nacl » _ nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa), a nacl (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 nacl compare low near ) or ( j a clamp a newts ))) or ( j acm computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nacl compare low near ) OR ( j a clamp a newts ))) OR ( j acm computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nacl compare low near ) or ( j a clamp a newts ))) or ( j acm computer based now ))*.