Talvez deva tentar algumas variações de ortografia:
metil complexes » metal complexes (Expandir a Pesquisa), metals complexes (Expandir a Pesquisa), axetil complexes (Expandir a Pesquisa)
complexes tuan » complexes thin (Expandir a Pesquisa), complexes tune (Expandir a Pesquisa), complexes tuning (Expandir a Pesquisa)
abrao carlos » cabral carlos (Expandir a Pesquisa), abreu carlos (Expandir a Pesquisa), bravo carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa)
nucl abrao » nicoli abrao (Expandir a Pesquisa)
john neil » cohn neil (Expandir a Pesquisa), johnson neil (Expandir a Pesquisa)
tuan ngoc » tuanh ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), van ngoc (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
3 nucl » 3 null (Expandir a Pesquisa)
j sex » _ sex (Expandir a Pesquisa), a sex (Expandir a Pesquisa), f sex (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 sex combs john neil ) or ((( 5 metil complexes tuan ngoc ) or ( 3 nucl abrao carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j sex combs john neil ) OR ((( 5 metil complexes tuan ngoc ) OR ( 3 nucl abrao carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j sex combs john neil ) or ((( 5 metil complexes tuan ngoc ) or ( 3 nucl abrao carlos nara ))))*.