Talvez deva tentar algumas variações de ortografia:
computer added » computer aided (Expandir a Pesquisa), computer coded (Expandir a Pesquisa), computer add (Expandir a Pesquisa)
naim computer » cam computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa), cim computer (Expandir a Pesquisa)
nat clamp » dnan clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), new clamp (Expandir a Pesquisa)
clamp dna » camp dna (Expandir a Pesquisa), clamp data (Expandir a Pesquisa), clamp a (Expandir a Pesquisa)
dna newts » dna nets (Expandir a Pesquisa), dna new (Expandir a Pesquisa), dna next (Expandir a Pesquisa)
added now » added co (Expandir a Pesquisa), added n (Expandir a Pesquisa), added na1 (Expandir a Pesquisa)
clamp m » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa), clamp a (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
m near » nm near (Expandir a Pesquisa), m neary (Expandir a Pesquisa), em near (Expandir a Pesquisa)
j naim » _ naim (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j nair (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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 m near ) or ( j a clamp dna newts ))) or ( j naim computer added now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat clamp m near ) OR ( j a clamp dna newts ))) OR ( j naim computer added now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat clamp m near ) or ( j a clamp dna newts ))) or ( j naim computer added now ))*.