Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
acl compared » nacl compared (Expandir a Pesquisa), gel compared (Expandir a Pesquisa), ml compared (Expandir a Pesquisa)
pi computer » ii computer (Expandir a Pesquisa), i computer (Expandir a Pesquisa), iii computer (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (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 acl » _ acl (Expandir a Pesquisa), j cl (Expandir a Pesquisa), j adl (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
j pi » j p (Expandir a Pesquisa), j i (Expandir a Pesquisa), j li (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 acl compared _ near ) or ( j dna clamp a newts ))) or ( j pi computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j acl compared _ near ) OR ( j dna clamp a newts ))) OR ( j pi computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j acl compared _ near ) or ( j dna clamp a newts ))) or ( j pi computer based now ))*.