Talvez deva tentar algumas variações de ortografia:
complex housing » complex using (Expandir a Pesquisa), complex causing (Expandir a Pesquisa), complex having (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
housing ngoc » housing non (Expandir a Pesquisa), housing block (Expandir a Pesquisa), hoang ngoc (Expandir a Pesquisa)
nine carlos » nino carlos (Expandir a Pesquisa), nin carlos (Expandir a Pesquisa), gine carlos (Expandir a Pesquisa)
carlos now » carlos noa (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos novo (Expandir a Pesquisa)
combs jan » coombs jana (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs j (Expandir a Pesquisa)
nac nine » a nine (Expandir a Pesquisa), nac gene (Expandir a Pesquisa), nac like (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
jan net » dan net (Expandir a Pesquisa), can net (Expandir a Pesquisa), jan nel (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
3.5 nac » 3.5 nacl (Expandir a Pesquisa), 7.5 nacl (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 e combs jan net ) or ((( 5 metal complex housing ngoc ) or ( 3.5 nac nine carlos now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs jan net ) OR ((( 5 metal complex housing ngoc ) OR ( 3.5 nac nine carlos now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs jan net ) or ((( 5 metal complex housing ngoc ) or ( 3.5 nac nine carlos now ))))*.