Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
complex trait » complex traits (Expandir a Pesquisa)
nader charles » bader charles (Expandir a Pesquisa), snyder charles (Expandir a Pesquisa), adler charles (Expandir a Pesquisa)
charles nara » charles nora (Expandir a Pesquisa), charles sara (Expandir a Pesquisa), charles nadia (Expandir a Pesquisa)
trait ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), tra ngoc (Expandir a Pesquisa)
nacl nader » nacl nabr (Expandir a Pesquisa), nacl under (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs cody (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
con new » icon new (Expandir a Pesquisa), con nee (Expandir a Pesquisa), con net (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 l combs con new ) OR ((( 5 methyl complex trait ngoc ) OR ( 3.5 nacl nader charles nara ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs con new ) OR ((( 5 methyl complex trait ngoc ) OR ( 3.5 nacl nader charles nara ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs con new ) OR ((( 5 methyl complex trait ngoc ) OR ( 3.5 nacl nader charles nara ))))*.