Talvez deva tentar algumas variações de ortografia:
cobalt complex » cobalt complexes (Expandir a Pesquisa)
cooper jason » cooper john (Expandir a Pesquisa), cooper alan (Expandir a Pesquisa), cooper james (Expandir a Pesquisa)
complex tear » complex tears (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos nunes » carlos nunez (Expandir a Pesquisa), santos nunes (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
tear flow » shear flow (Expandir a Pesquisa), tear from (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
5 cobalt » _ cobalt (Expandir a Pesquisa), o cobalt (Expandir a Pesquisa), a cobalt (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 _ ) or ((( 5 cobalt complex tear flow ) or ( 7.5 nacl nino carlos nunes ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ cooper jason _ ) OR ((( 5 cobalt complex tear flow ) OR ( 7.5 nacl nino carlos nunes )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper jason _ ) or ((( 5 cobalt complex tear flow ) or ( 7.5 nacl nino carlos nunes ))))*.