Talvez deva tentar algumas variações de ortografia:
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 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)
pei complex » pei complexed (Expandir a Pesquisa), ii complex (Expandir a Pesquisa), iii complex (Expandir a Pesquisa)
nacl elder » nacl under (Expandir a Pesquisa)
tran ngon » tran ngoc (Expandir a Pesquisa), tran ngan (Expandir a Pesquisa), tran ngo (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
_ pei » _ pet (Expandir a Pesquisa), _ pea (Expandir a Pesquisa), _ peg (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 ((( _ pei complex tran ngon ) or ( 7.5 nacl elder carlos kosera ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ cooper jason a ) OR ((( _ pei complex tran ngon ) OR ( 7.5 nacl elder carlos kosera )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper jason a ) or ((( _ pei complex tran ngon ) or ( 7.5 nacl elder carlos kosera ))))*.