Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
apl computer » al computer (Expandir a Pesquisa), maple computer (Expandir a Pesquisa), call computer (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can newts » can net (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
nat comp » nat comm (Expandir a Pesquisa), et comp (Expandir a Pesquisa), nat cov (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), comp la (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), a nat (Expandir a Pesquisa)
a dna » _ dna (Expandir a Pesquisa)
3 apl » m3 apl (Expandir a Pesquisa), _ apl (Expandir a Pesquisa), c apl (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 nat comp can new ) or ( a dna clamp can newts ))) or ( 3 apl computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat comp can new ) OR ( a dna clamp can newts ))) OR ( 3 apl computer based now ))*.