Talvez deva tentar algumas variações de ortografia:
complex trait » complex traits (Expandir a Pesquisa)
cooper jason » cooper john (Expandir a Pesquisa), cooper alan (Expandir a Pesquisa), cooper james (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
cst complex » coat complex (Expandir a Pesquisa), ift complex (Expandir a Pesquisa), corest complex (Expandir a Pesquisa)
mno carlos » magno carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
trait nlo » trait co (Expandir a Pesquisa)
nacl mno » nacl kno (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa)
jason n » jason _ (Expandir a Pesquisa), jason a (Expandir a Pesquisa), jason c (Expandir a Pesquisa)
5 cst » _ cst (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ cooper jason n ) OR ((( 5 cst complex trait nlo ) OR ( 0.9 nacl mno carlos rojek ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ cooper jason n ) OR ((( 5 cst complex trait nlo ) OR ( 0.9 nacl mno carlos rojek ))))*.