Talvez deva tentar algumas variações de ortografia:
method coupled » method compared (Expandir a Pesquisa)
coupled trieu » coupled trigger (Expandir a Pesquisa), coupled trimers (Expandir a Pesquisa), coupled triple (Expandir a Pesquisa)
sao carlos » joao carlos (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs cody (Expandir a Pesquisa)
15 method » 15 methyl (Expandir a Pesquisa), 5 methods (Expandir a Pesquisa)
trieu ngo » trieu ngoa (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa), tieu ngo (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
nacl sao » nacl salt (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl naoh (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
con nee » con net (Expandir a Pesquisa), con noe (Expandir a Pesquisa), con node (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 nee ) or ((( 15 method coupled trieu ngo ) or ( 0.9 nacl sao carlos eslava ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs con nee ) OR ((( 15 method coupled trieu ngo ) OR ( 0.9 nacl sao carlos eslava )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs con nee ) or ((( 15 method coupled trieu ngo ) or ( 0.9 nacl sao carlos eslava ))))*.