Talvez deva tentar algumas variações de ortografia:
coombes jason » coombs jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa), coombes janine (Expandir a Pesquisa)
complex trait » complex traits (Expandir a Pesquisa)
oil complex » cell complex (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
k coombes » l coomber (Expandir a Pesquisa)
jason bob » jason bobe (Expandir a Pesquisa), jason boo (Expandir a Pesquisa), jason bos (Expandir a Pesquisa)
trait ngo » trait co (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
pe oil » de oil (Expandir a Pesquisa), pine oil (Expandir a Pesquisa), type oil (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 k coombes jason bob ) OR ((( pe oil complex trait ngo ) OR ( 7.5 nacl nino carlos noe ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j k coombes jason bob ) OR ((( pe oil complex trait ngo ) OR ( 7.5 nacl nino carlos noe ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j k coombes jason bob ) OR ((( pe oil complex trait ngo ) OR ( 7.5 nacl nino carlos noe ))))*.