Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
i computer » ii computer (Expandir a Pesquisa), pi computer (Expandir a Pesquisa), _ computer (Expandir a Pesquisa)
nail camp » nail can (Expandir a Pesquisa), nail case (Expandir a Pesquisa), nail alp (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 new (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)
ca never » can never (Expandir a Pesquisa), a never (Expandir a Pesquisa), has never (Expandir a Pesquisa)
camp ca » camp a (Expandir a Pesquisa), camp c (Expandir a Pesquisa), camp camp (Expandir a Pesquisa)
1 dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nail camp ca never ) OR ( 1 dna clamp can newts ))) OR ( j i computer based now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nail camp ca never ) or ( 1 dna clamp can newts ))) or ( j i computer based now ))*.