Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex total » complexed total (Expandir a Pesquisa), complexes total (Expandir a Pesquisa), complex tool (Expandir a Pesquisa)
nair carlos » jair carlos (Expandir a Pesquisa), naim carlos (Expandir a Pesquisa), vanair carlos (Expandir a Pesquisa)
carlos lara » carlos lima (Expandir a Pesquisa), carlos lacerda (Expandir a Pesquisa), carlos lazaro (Expandir a Pesquisa)
total ngoc » total non (Expandir a Pesquisa), total nos (Expandir a Pesquisa)
nacl nair » nacl nabr (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl na (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
c need » c needs (Expandir a Pesquisa), _ need (Expandir a Pesquisa), a need (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 c need ) or ((( 5 metal complex total ngoc ) or ( 3.5 nacl nair carlos lara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs c need ) OR ((( 5 metal complex total ngoc ) OR ( 3.5 nacl nair carlos lara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs c need ) or ((( 5 metal complex total ngoc ) or ( 3.5 nacl nair carlos lara ))))*.