Talvez deva tentar algumas variações de ortografia:
metil complexes » metal complexes (Expandir a Pesquisa), metals complexes (Expandir a Pesquisa), metall complexes (Expandir a Pesquisa)
complexes total » complexed total (Expandir a Pesquisa), complex total (Expandir a Pesquisa), complexes metal (Expandir a Pesquisa)
carlos nardi » carlos menardi (Expandir a Pesquisa), carlos jardim (Expandir a Pesquisa), carlos neri (Expandir a Pesquisa)
combs jason » coombs jason (Expandir a Pesquisa), coombes jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa)
total ngoc » total non (Expandir a Pesquisa), total nos (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (Expandir a Pesquisa)
nejar » dejar (Expandir a Pesquisa), nejad (Expandir a Pesquisa), nejat (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 jason a ) or ((( 5 metil complexes total ngoc ) or ( 3.5 nacl nejar carlos nardi ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs jason a ) OR ((( 5 metil complexes total ngoc ) OR ( 3.5 nacl nejar carlos nardi )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs jason a ) or ((( 5 metil complexes total ngoc ) or ( 3.5 nacl nejar carlos nardi ))))*.