Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex three » complex than (Expandir a Pesquisa), complex tones (Expandir a Pesquisa)
carlos patino » carlos patricio (Expandir a Pesquisa), carlos pardo (Expandir a Pesquisa)
combat anion » combat avian (Expandir a Pesquisa), combat actions (Expandir a Pesquisa), combat lesion (Expandir a Pesquisa)
three ngo » three neo (Expandir a Pesquisa), three ngs (Expandir a Pesquisa), three negro (Expandir a Pesquisa)
co carlos » fico carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), cardo carlos (Expandir a Pesquisa)
e combat » e combate (Expandir a Pesquisa), de combat (Expandir a Pesquisa), le combat (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (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 combat anion gap ) or ((( 5 metal complex three ngo ) or ( 3.5 nacl co carlos patino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combat anion gap ) OR ((( 5 metal complex three ngo ) OR ( 3.5 nacl co carlos patino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combat anion gap ) or ((( 5 metal complex three ngo ) or ( 3.5 nacl co carlos patino ))))*.