Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
carlos noceda » carlos noseda (Expandir a Pesquisa), carlos poveda (Expandir a Pesquisa), carlos ojeda (Expandir a Pesquisa)
complex tac » complex tap (Expandir a Pesquisa), complex tcc (Expandir a Pesquisa), complex tc (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa)
kno carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), pino carlos (Expandir a Pesquisa)
john net » john new (Expandir a Pesquisa), john neetu (Expandir a Pesquisa), john asnet (Expandir a Pesquisa)
tac ngoc » ta ngoc (Expandir a Pesquisa), tam ngoc (Expandir a Pesquisa), tai ngoc (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (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 _ combs john net ) or ((( 5 metil complex tac ngoc ) or ( 3.5 nacl kno carlos noceda ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs john net ) OR ((( 5 metil complex tac ngoc ) OR ( 3.5 nacl kno carlos noceda )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs john net ) or ((( 5 metil complex tac ngoc ) or ( 3.5 nacl kno carlos noceda ))))*.