Talvez deva tentar algumas variações de ortografia:
complex trait » complex traits (Expandir a Pesquisa)
coombs jason » coombes jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa), cooper jason (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
pap complex » epap complex (Expandir a Pesquisa), gap complex (Expandir a Pesquisa), hap complex (Expandir a Pesquisa)
jason bobe » jason bond (Expandir a Pesquisa), jason blue (Expandir a Pesquisa), jason boo (Expandir a Pesquisa)
trait ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), trang ngoc (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
_ pap » _ pay (Expandir a Pesquisa), _ pan (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 g coombs jason bobe ) OR ((( _ pap complex trait ngoc ) OR ( 7.5 nacl kno carlos nojek ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j g coombs jason bobe ) OR ((( _ pap complex trait ngoc ) OR ( 7.5 nacl kno carlos nojek ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j g coombs jason bobe ) OR ((( _ pap complex trait ngoc ) OR ( 7.5 nacl kno carlos nojek ))))*.