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 than » coupled thin (Expandir a Pesquisa), coupled tank (Expandir a Pesquisa), coupled thm (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
carlos nav » carlos nava (Expandir a Pesquisa), carlos navas (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
natl nino » al nino (Expandir a Pesquisa), raul nino (Expandir a Pesquisa), nau nino (Expandir a Pesquisa)
7.2 natl » 7.2 nacl (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), con note (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 _ combs con net ) or ((( 5 methods coupled than ngoc ) or ( 7.2 natl nino carlos nav ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs con net ) OR ((( 5 methods coupled than ngoc ) OR ( 7.2 natl nino carlos nav )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con net ) or ((( 5 methods coupled than ngoc ) or ( 7.2 natl nino carlos nav ))))*.