Talvez deva tentar algumas variações de ortografia:
methods comparison » method comparison (Expandir a Pesquisa)
comparison trinh » comparison trial (Expandir a Pesquisa), comparison thigh (Expandir a Pesquisa), comparison during (Expandir a Pesquisa)
knot carlos » knopf carlos (Expandir a Pesquisa), enout carlos (Expandir a Pesquisa), knecht carlos (Expandir a Pesquisa)
carlos mora » carlos morales (Expandir a Pesquisa), carlos moreira (Expandir a Pesquisa), carlos moreno (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
trinh quo » trinh quoc (Expandir a Pesquisa), trinh muoi (Expandir a Pesquisa), trinh quan (Expandir a Pesquisa)
nacl knot » nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa), nacl npt (Expandir a Pesquisa)
m combs » m coombs (Expandir a Pesquisa), e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c note » c notes (Expandir a Pesquisa), a note (Expandir a Pesquisa), _ 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 m combs c note ) or ((( 5 methods comparison trinh quo ) or ( 0.9 nacl knot carlos mora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m combs c note ) OR ((( 5 methods comparison trinh quo ) OR ( 0.9 nacl knot carlos mora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m combs c note ) or ((( 5 methods comparison trinh quo ) or ( 0.9 nacl knot carlos mora ))))*.