Talvez deva tentar algumas variações de ortografia:
complex derived » complexes derived (Expandir a Pesquisa)
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
derived ngoa » derived non (Expandir a Pesquisa), derived ngf (Expandir a Pesquisa), derived ndga (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos nino » carlos patino (Expandir a Pesquisa), carlos merino (Expandir a Pesquisa), carlos nunez (Expandir a Pesquisa)
comes non » comes down (Expandir a Pesquisa), comes joan (Expandir a Pesquisa), comes too (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)
e comes » de comes (Expandir a Pesquisa), e combes (Expandir a Pesquisa), e combs (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 e comes non net ) or ((( 5 methyl complex derived ngoa ) or ( 3.5 nacl nano carlos nino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e comes non net ) OR ((( 5 methyl complex derived ngoa ) OR ( 3.5 nacl nano carlos nino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e comes non net ) or ((( 5 methyl complex derived ngoa ) or ( 3.5 nacl nano carlos nino ))))*.