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 trad » complex trait (Expandir a Pesquisa), complex trans (Expandir a Pesquisa), complex trial (Expandir a Pesquisa)
combs jason » coombs jason (Expandir a Pesquisa), coombes jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa)
nacl nunes » a.l nunes (Expandir a Pesquisa), nacl induces (Expandir a Pesquisa)
carlos naa » carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
jason new » jason chew (Expandir a Pesquisa), jason neal (Expandir a Pesquisa), jason neil (Expandir a Pesquisa)
trad ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), trang ngoc (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (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 jason new ) or ((( 5 metil complex trad ngoc ) or ( 7.5 nacl nunes carlos naa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs jason new ) OR ((( 5 metil complex trad ngoc ) OR ( 7.5 nacl nunes carlos naa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs jason new ) or ((( 5 metil complex trad ngoc ) or ( 7.5 nacl nunes carlos naa ))))*.