Talvez deva tentar algumas variações de ortografia:
complex tric » complex tris (Expandir a Pesquisa), complex trait (Expandir a Pesquisa), complex trial (Expandir a Pesquisa)
oil complex » cell complex (Expandir a Pesquisa)
nacl bacino » nel bacino (Expandir a Pesquisa)
carlos nava » carlos navarro (Expandir a Pesquisa), carlos eslava (Expandir a Pesquisa), carlos zavala (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
tric ngoc » trinh ngoc (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 7.2 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
con new » icon new (Expandir a Pesquisa), con nee (Expandir a Pesquisa), con net (Expandir a Pesquisa)
5 oil » _ oil (Expandir a Pesquisa), 5 il (Expandir a Pesquisa), l 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 l combs con new ) OR ((( 5 oil complex tric ngoc ) OR ( 7.5 nacl bacino carlos nava ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs con new ) OR ((( 5 oil complex tric ngoc ) OR ( 7.5 nacl bacino carlos nava ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs con new ) OR ((( 5 oil complex tric ngoc ) OR ( 7.5 nacl bacino carlos nava ))))*.