Talvez deva tentar algumas variações de ortografia:
coombs jason » coombes jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa), cooper jason (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos lara » carlos lima (Expandir a Pesquisa), carlos lacerda (Expandir a Pesquisa), carlos lazaro (Expandir a Pesquisa)
iv complex » iv complexes (Expandir a Pesquisa)
mno carlos » magno carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
nacl mno » nacl kno (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa)
jason c » jason _ (Expandir a Pesquisa), jason a (Expandir a Pesquisa)
5 iv » 5 hiv (Expandir a Pesquisa), _ iv (Expandir a Pesquisa), a iv (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 g coombs jason c ) OR ((( 5 iv complex tran ngoc ) OR ( 3.5 nacl mno carlos lara ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j g coombs jason c ) OR ((( 5 iv complex tran ngoc ) OR ( 3.5 nacl mno carlos lara ))))*.