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 trap » complex tap (Expandir a Pesquisa), complex trait (Expandir a Pesquisa), complex trial (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
trap ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), trang ngoc (Expandir a Pesquisa)
icon new » bacon new (Expandir a Pesquisa), icon fes (Expandir a Pesquisa)
0.9 natl » 0.9 nacl (Expandir a Pesquisa)
natl kcl » nacl kcl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
5 metil » 5 methyl (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 icon new ) OR ((( 5 metil complex trap ngoc ) OR ( 0.9 natl kcl carlos nora ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs icon new ) OR ((( 5 metil complex trap ngoc ) OR ( 0.9 natl kcl carlos nora ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs icon new ) OR ((( 5 metil complex trap ngoc ) OR ( 0.9 natl kcl carlos nora ))))*.