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)
carlos nodal » carlos vidal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
kcal carlos » krahl carlos (Expandir a Pesquisa), leal carlos (Expandir a Pesquisa), gual carlos (Expandir a Pesquisa)
nacl kcal » nacl kcl (Expandir a Pesquisa), nacl cacl (Expandir a Pesquisa)
icon new » bacon new (Expandir a Pesquisa), icon fes (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)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (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 combs icon new ) OR ((( 5 metil complex tran ngoc ) OR ( 3 nacl kcal carlos nodal ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs icon new ) OR ((( 5 metil complex tran ngoc ) OR ( 3 nacl kcal carlos nodal ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs icon new ) OR ((( 5 metil complex tran ngoc ) OR ( 3 nacl kcal carlos nodal ))))*.