Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos novo » carlos nino (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos neto (Expandir a Pesquisa)
colin net » colin neil (Expandir a Pesquisa), colin n (Expandir a Pesquisa), colin n.a (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
j sex » _ sex (Expandir a Pesquisa), a sex (Expandir a Pesquisa), f sex (Expandir a Pesquisa)
combs » comes (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 sex combs colin net ) OR ((( 5 metil complex tran ngoc ) OR ( 3.5 nacl nano carlos novo ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j sex combs colin net ) OR ((( 5 metil complex tran ngoc ) OR ( 3.5 nacl nano carlos novo ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j sex combs colin net ) OR ((( 5 metil complex tran ngoc ) OR ( 3.5 nacl nano carlos novo ))))*.