Talvez deva tentar algumas variações de ortografia:
il computer » dal computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
nat clamp » dnan clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), new clamp (Expandir a Pesquisa)
clamp com » clamp cum (Expandir a Pesquisa), clamp from (Expandir a Pesquisa), clamp croc (Expandir a Pesquisa)
clamp pcr » lamp pcr (Expandir a Pesquisa), clamp pcna (Expandir a Pesquisa), amp pcr (Expandir a Pesquisa)
pcr newts » pcr new (Expandir a Pesquisa), pcr next (Expandir a Pesquisa)
com near » comb near (Expandir a Pesquisa), from near (Expandir a Pesquisa), com negro (Expandir a Pesquisa)
a clamp » _ clamp (Expandir a Pesquisa), c clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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: (((( j nat clamp com near ) or ( j a clamp pcr newts ))) or ( j il computer a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat clamp com near ) OR ( j a clamp pcr newts ))) OR ( j il computer a now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat clamp com near ) or ( j a clamp pcr newts ))) or ( j il computer a now ))*.