Talvez deva tentar algumas variações de ortografia:
carlos robert » carlos roberto (Expandir a Pesquisa), carlson robert (Expandir a Pesquisa), carlyon robert (Expandir a Pesquisa)
cooper jason » cooper john (Expandir a Pesquisa), cooper alan (Expandir a Pesquisa), cooper james (Expandir a Pesquisa)
coat complex » cobalt complex (Expandir a Pesquisa), covalent complex (Expandir a Pesquisa), fact complex (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
than npls » than nls (Expandir a Pesquisa), than npwt (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
i cooper » _ cooper (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
jason c » jason _ (Expandir a Pesquisa), jason a (Expandir a Pesquisa)
5 coat » _ coat (Expandir a Pesquisa), a coat (Expandir a Pesquisa), 1 coat (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 i cooper jason c ) or ((( 5 coat complex than npls ) or ( 7.5 nacl nino carlos robert ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j i cooper jason c ) OR ((( 5 coat complex than npls ) OR ( 7.5 nacl nino carlos robert )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j i cooper jason c ) or ((( 5 coat complex than npls ) or ( 7.5 nacl nino carlos robert ))))*.