Talvez deva tentar algumas variações de ortografia:
emilio carlos » zilio carlos (Expandir a Pesquisa), julio carlos (Expandir a Pesquisa), alio carlos (Expandir a Pesquisa)
maciel emilio » daniel emilio (Expandir a Pesquisa), manuel emilio (Expandir a Pesquisa), macias emilio (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)
ift complex » cst complex (Expandir a Pesquisa), joint complex (Expandir a Pesquisa), giant complex (Expandir a Pesquisa)
0.9 maciel » b.c maciel (Expandir a Pesquisa), a.g maciel (Expandir a Pesquisa), a.t maciel (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
than n » than non (Expandir a Pesquisa), than nwe (Expandir a Pesquisa)
5 ift » _ ift (Expandir a Pesquisa), a ift (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 ift complex than n ) or ( 0.9 maciel emilio carlos rojas ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ cooper jason a ) OR ((( 5 ift complex than n ) OR ( 0.9 maciel emilio carlos rojas )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper jason a ) or ((( 5 ift complex than n ) or ( 0.9 maciel emilio carlos rojas ))))*.