Talvez deva tentar algumas variações de ortografia:
methods compared » method compared (Expandir a Pesquisa), methods comparison (Expandir a Pesquisa)
compared can » compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa), companies can (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
raul nino » raul lino (Expandir a Pesquisa), raul pino (Expandir a Pesquisa), raul nieto (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), cao ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
7.2 raul » 7.2 nacl (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c neu » 2 neu (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 c neu ) or ((( 5 methods compared can ngoc ) or ( 7.2 raul nino carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs c neu ) OR ((( 5 methods compared can ngoc ) OR ( 7.2 raul nino carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs c neu ) or ((( 5 methods compared can ngoc ) or ( 7.2 raul nino carlos jara ))))*.