Talvez deva tentar algumas variações de ortografia:
ngl complex » ngal complex (Expandir a Pesquisa), nsl complex (Expandir a Pesquisa), gl complex (Expandir a Pesquisa)
nacl comp » nacl co2 (Expandir a Pesquisa), nacl co (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
nat clamp » rnap clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), comp la (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
can netw » can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa), can near (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), a nacl (Expandir a Pesquisa)
3 ngl » _ ngl (Expandir a Pesquisa), 3 ng2 (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), j nay (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: (((( 3 nacl comp can new ) OR ( 3 ngl complex case new ))) OR ( j nat clamp can netw ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( 3 nacl comp can new ) OR ( 3 ngl complex case new ))) OR ( j nat clamp can netw ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nacl comp can new ) OR ( 3 ngl complex case new ))) OR ( j nat clamp can netw ))*.