Talvez deva tentar algumas variações de ortografia:
methods compared » method compared (Expandir a Pesquisa), methods comparison (Expandir a Pesquisa)
compared tail » compare tal (Expandir a Pesquisa), comparing tail (Expandir a Pesquisa), compared a (Expandir a Pesquisa)
carlos roger » carlos rogerio (Expandir a Pesquisa), carlos romero (Expandir a Pesquisa), carlos robert (Expandir a Pesquisa)
nina carlos » nino carlos (Expandir a Pesquisa), pina carlos (Expandir a Pesquisa), nin carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
tail nova » mail novas (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
nacl nina » nacl nano (Expandir a Pesquisa), nacl na (Expandir a Pesquisa)
john net » john new (Expandir a Pesquisa), john neetu (Expandir a Pesquisa), john asnet (Expandir a Pesquisa)
3.5 nacl » 0.9 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 john net ) or ((( 5 methods compared tail nova ) or ( 3.5 nacl nina carlos roger ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs john net ) OR ((( 5 methods compared tail nova ) OR ( 3.5 nacl nina carlos roger )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs john net ) or ((( 5 methods compared tail nova ) or ( 3.5 nacl nina carlos roger ))))*.