Talvez deva tentar algumas variações de ortografia:
methods compared » method compared (Expandir a Pesquisa), methods comparison (Expandir a Pesquisa)
compared being » compared using (Expandir a Pesquisa), compared binding (Expandir a Pesquisa), compared during (Expandir a Pesquisa)
simon carlos » milton carlos (Expandir a Pesquisa), leon carlos (Expandir a Pesquisa)
coombs con » coombs john (Expandir a Pesquisa), coombs ian (Expandir a Pesquisa), coombs c (Expandir a Pesquisa)
being ngoc » being non (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
m coombs » m coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (Expandir a Pesquisa)
0.9 c » 0.9 cd (Expandir a Pesquisa), 0.9 ce (Expandir a Pesquisa), 0.9 co (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 coombs con net ) or ((( 5 methods compared being ngoc ) or ( 0.9 c simon carlos noa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m coombs con net ) OR ((( 5 methods compared being ngoc ) OR ( 0.9 c simon carlos noa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m coombs con net ) or ((( 5 methods compared being ngoc ) or ( 0.9 c simon carlos noa ))))*.