Talvez deva tentar algumas variações de ortografia:
coulombic jason » coulombic atom (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
l coulombic » _ coulombic (Expandir a Pesquisa), a coulombic (Expandir a Pesquisa)
feo complex » feio complex (Expandir a Pesquisa), feoc complex (Expandir a Pesquisa), fmo complex (Expandir a Pesquisa)
nar carlos » mar carlos (Expandir a Pesquisa), nejar carlos (Expandir a Pesquisa), najar carlos (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
nacl nar » nacl nabr (Expandir a Pesquisa), nacl na (Expandir a Pesquisa), nacl nas (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
ngoc » ngo (Expandir a Pesquisa)
nunez » nunes (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 coulombic jason a ) or ((( m feo complex tran ngoc ) or ( 7.5 nacl nar carlos nunez ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coulombic jason a ) OR ((( m feo complex tran ngoc ) OR ( 7.5 nacl nar carlos nunez )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coulombic jason a ) or ((( m feo complex tran ngoc ) or ( 7.5 nacl nar carlos nunez ))))*.