Talvez deva tentar algumas variações de ortografia:
method coupled » method compared (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), solano carlos (Expandir a Pesquisa)
coupled than » coupled thin (Expandir a Pesquisa), coupled trans (Expandir a Pesquisa), coupled tank (Expandir a Pesquisa)
carlos navas » carlos nava (Expandir a Pesquisa), carlos nahas (Expandir a Pesquisa), carlos novaes (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)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
con need » can need (Expandir a Pesquisa), con nee (Expandir a Pesquisa), non need (Expandir a Pesquisa)
7.2 natl » 7.2 nacl (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 need ) or ((( 15 method coupled than ngoc ) or ( 7.2 natl semino carlos navas ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs con need ) OR ((( 15 method coupled than ngoc ) OR ( 7.2 natl semino carlos navas )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con need ) or ((( 15 method coupled than ngoc ) or ( 7.2 natl semino carlos navas ))))*.