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)
nuno carlos » nino carlos (Expandir a Pesquisa), nunes carlos (Expandir a Pesquisa), bueno carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
nacl nuno » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
icon new » ion new (Expandir a Pesquisa), bacon new (Expandir a Pesquisa), icon fes (Expandir a Pesquisa)
7.2 nacl » 7.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
5 metil » 5 methyl (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 _ combs icon new ) or ((( 5 metil complex tran ngoc ) or ( 7.2 nacl nuno carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs icon new ) OR ((( 5 metil complex tran ngoc ) OR ( 7.2 nacl nuno carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs icon new ) or ((( 5 metil complex tran ngoc ) or ( 7.2 nacl nuno carlos nara ))))*.