Talvez deva tentar algumas variações de ortografia:
ngl complex » gl complex (Expandir a Pesquisa), ngl complexes (Expandir a Pesquisa), anal complex (Expandir a Pesquisa)
complex can » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa), complex cases (Expandir a Pesquisa)
nacl compr » nacl compared (Expandir a Pesquisa), nacl complex (Expandir a Pesquisa)
narr clamp » arm clamp (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa)
3 ngl » _ ngl (Expandir a Pesquisa), 3 ng2 (Expandir a Pesquisa), g ngl (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: (((( m nacl compr can new ) OR ( 3 ngl complex can new ))) OR ( j narr clamp can netw ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( m nacl compr can new ) OR ( 3 ngl complex can new ))) OR ( j narr clamp can netw ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( m nacl compr can new ) OR ( 3 ngl complex can new ))) OR ( j narr clamp can netw ))*.