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 tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
gomes anion » gomes antony (Expandir a Pesquisa), gomes alison (Expandir a Pesquisa), gomes anita (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos nava » carlos navarro (Expandir a Pesquisa), carlos eslava (Expandir a Pesquisa), carlos zavala (Expandir a Pesquisa)
anion net » anion na (Expandir a Pesquisa), anion ni2 (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
l gomes » l gomez (Expandir a Pesquisa)
ngoc » ngo (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 anion net ) OR ((( 5 methyl complex tran ngoc ) OR ( 7.5 nacl nano carlos nava ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l gomes anion net ) OR ((( 5 methyl complex tran ngoc ) OR ( 7.5 nacl nano carlos nava ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l gomes anion net ) OR ((( 5 methyl complex tran ngoc ) OR ( 7.5 nacl nano carlos nava ))))*.