Talvez deva tentar algumas variações de ortografia:
methods coupled » method coupled (Expandir a Pesquisa), methods compared (Expandir a Pesquisa), methods course (Expandir a Pesquisa)
coupled trieu » coupled trigger (Expandir a Pesquisa), coupled trimers (Expandir a Pesquisa), coupled triple (Expandir a Pesquisa)
carlos nava » carlos navarro (Expandir a Pesquisa), carlos eslava (Expandir a Pesquisa), carlos zavala (Expandir a Pesquisa)
trieu ngoc » tieu ngoc (Expandir a Pesquisa), trieu ngoa (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
comps con » compost con (Expandir a Pesquisa), comps los (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
con new » icon new (Expandir a Pesquisa), con nee (Expandir a Pesquisa), con net (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 m comps con new ) or ((( 5 methods coupled trieu ngoc ) or ( 0.9 nacl kno carlos nava ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps con new ) OR ((( 5 methods coupled trieu ngoc ) OR ( 0.9 nacl kno carlos nava )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps con new ) or ((( 5 methods coupled trieu ngoc ) or ( 0.9 nacl kno carlos nava ))))*.