Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
il computer » dal computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa)
can fever » can never (Expandir a Pesquisa), can fewer (Expandir a Pesquisa), can sever (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)
nail amp » nail alp (Expandir a Pesquisa), nail amy (Expandir a Pesquisa), nail a (Expandir a Pesquisa)
clamp ar » clamp a (Expandir a Pesquisa), clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
ar newts » can newts (Expandir a Pesquisa), _ newts (Expandir a Pesquisa), war news (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
j il » j l (Expandir a Pesquisa), j i (Expandir a Pesquisa), j al (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: (((( _ nail amp can fever ) or ( j dna clamp ar newts ))) or ( j il computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ nail amp can fever ) OR ( j dna clamp ar newts ))) OR ( j il computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nail amp can fever ) or ( j dna clamp ar newts ))) or ( j il computer based now ))*.