Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex chinh » complex chile (Expandir a Pesquisa), complex chln (Expandir a Pesquisa), complex chain (Expandir a Pesquisa)
cooper jason » cooper john (Expandir a Pesquisa), cooper alan (Expandir a Pesquisa), cooper james (Expandir a Pesquisa)
cano carlos » luciano carlos (Expandir a Pesquisa), casiano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa)
jason bobe » jason bond (Expandir a Pesquisa), jason blue (Expandir a Pesquisa), jason boo (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
chinh ngo » thinh ngo (Expandir a Pesquisa), thinh ngoc (Expandir a Pesquisa), ching ng (Expandir a Pesquisa)
nacl cano » nacl nano (Expandir a Pesquisa), nacl caso4 (Expandir a Pesquisa), nacl co (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 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 _ cooper jason bobe ) or ((( _ metal complex chinh ngo ) or ( 7.5 nacl cano carlos noe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ cooper jason bobe ) OR ((( _ metal complex chinh ngo ) OR ( 7.5 nacl cano carlos noe )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper jason bobe ) or ((( _ metal complex chinh ngo ) or ( 7.5 nacl cano carlos noe ))))*.