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 vinh » coupled via (Expandir a Pesquisa), coupled van (Expandir a Pesquisa), coupled vio (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
kno carlos » knopf carlos (Expandir a Pesquisa), cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
vinh ngoc » dinh ngoc (Expandir a Pesquisa), minh ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa)
nacl kno » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
colin » colon (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 e combs colin a ) or ((( 5 methods coupled vinh ngoc ) or ( 0.9 nacl kno carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs colin a ) OR ((( 5 methods coupled vinh ngoc ) OR ( 0.9 nacl kno carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs colin a ) or ((( 5 methods coupled vinh ngoc ) or ( 0.9 nacl kno carlos nara ))))*.