Talvez deva tentar algumas variações de ortografia:
cooper jason » cooper john (Expandir a Pesquisa), cooper alan (Expandir a Pesquisa), cooper james (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
elder carlos » eder carlos (Expandir a Pesquisa), elder charles (Expandir a Pesquisa), ferrer carlos (Expandir a Pesquisa)
carlos lopes » carlos lopez (Expandir a Pesquisa)
mo complex » fmo complex (Expandir a Pesquisa), qmo complex (Expandir a Pesquisa), o complex (Expandir a Pesquisa)
nacl elder » nacl under (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
5 mo » 5 o (Expandir a Pesquisa), 5 mg (Expandir a Pesquisa), 5 mm (Expandir a Pesquisa)
ngoc » ngo (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 a ) or ((( 5 mo complex tran ngoc ) or ( 7.5 nacl elder carlos lopes ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ cooper jason a ) OR ((( 5 mo complex tran ngoc ) OR ( 7.5 nacl elder carlos lopes )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper jason a ) or ((( 5 mo complex tran ngoc ) or ( 7.5 nacl elder carlos lopes ))))*.