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)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
trait ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), trang ngoc (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
gomes non » gomes nuno (Expandir a Pesquisa), gomes noll (Expandir a Pesquisa), gomes ney (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l gomes » l gomez (Expandir a Pesquisa)
non net » non nest (Expandir a Pesquisa), con net (Expandir a Pesquisa), anion 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 gomes non net ) or ((( 5 methyl complex trait ngoc ) or ( 3.5 nacl nano carlos noa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l gomes non net ) OR ((( 5 methyl complex trait ngoc ) OR ( 3.5 nacl nano carlos noa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l gomes non net ) or ((( 5 methyl complex trait ngoc ) or ( 3.5 nacl nano carlos noa ))))*.