Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
luciano carlos » floriano carlos (Expandir a Pesquisa)
complex khanh » complex than (Expandir a Pesquisa), complex hand (Expandir a Pesquisa), complex change (Expandir a Pesquisa)
nacl luciano » raul luciano (Expandir a Pesquisa), marcel luciano (Expandir a Pesquisa), maciel luciano (Expandir a Pesquisa)
carlos nada » carlos nadaf (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
khanh ngoc » phan ngoc (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
con need » con nee (Expandir a Pesquisa), non need (Expandir a Pesquisa), colon need (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (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 _ combs con need ) or ((( 5 methyl complex khanh ngoc ) or ( 7.5 nacl luciano carlos nada ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs con need ) OR ((( 5 methyl complex khanh ngoc ) OR ( 7.5 nacl luciano carlos nada )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con need ) or ((( 5 methyl complex khanh ngoc ) or ( 7.5 nacl luciano carlos nada ))))*.