Talvez deva tentar algumas variações de ortografia:
ferrer carlos » ferreira carlos (Expandir a Pesquisa), herrera carlos (Expandir a Pesquisa), herrero carlos (Expandir a Pesquisa)
carlos kosera » carlos morera (Expandir a Pesquisa), carlos coser (Expandir a Pesquisa), carlos lopera (Expandir a Pesquisa)
cooper jason » cooper john (Expandir a Pesquisa), cooper alan (Expandir a Pesquisa), cooper james (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
nacl ferrer » noel ferrer (Expandir a Pesquisa), raul ferrer (Expandir a Pesquisa), val ferrer (Expandir a Pesquisa)
mo complex » fmo complex (Expandir a Pesquisa), qmo complex (Expandir a Pesquisa), o complex (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (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)

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 than ngoc ) or ( 7.5 nacl ferrer carlos kosera ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ cooper jason a ) OR ((( 5 mo complex than ngoc ) OR ( 7.5 nacl ferrer carlos kosera )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper jason a ) or ((( 5 mo complex than ngoc ) or ( 7.5 nacl ferrer carlos kosera ))))*.