Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex ming » complex mini (Expandir a Pesquisa), complex making (Expandir a Pesquisa), complex mating (Expandir a Pesquisa)
comps colin » compas colin (Expandir a Pesquisa), combs colin (Expandir a Pesquisa), coros colin (Expandir a Pesquisa)
nine carlos » nino carlos (Expandir a Pesquisa), nin carlos (Expandir a Pesquisa), gine carlos (Expandir a Pesquisa)
ming ngoc » minh ngoc (Expandir a Pesquisa), giang ngoc (Expandir a Pesquisa), dinh ngoc (Expandir a Pesquisa)
nac nine » back nine (Expandir a Pesquisa), nac gene (Expandir a Pesquisa), nac like (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
3 nac » 3 nacl (Expandir a Pesquisa), _ nac (Expandir a Pesquisa), a nac (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 comps colin a ) or ((( 5 metal complex ming ngoc ) or ( 3 nac nine carlos (noe or note) ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps colin a ) OR ((( 5 metal complex ming ngoc ) OR ( 3 nac nine carlos (noe OR note) )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps colin a ) or ((( 5 metal complex ming ngoc ) or ( 3 nac nine carlos (noe or note) ))))*.