Talvez deva tentar algumas variações de ortografia:
methods compared » method compared (Expandir a Pesquisa), methods comparison (Expandir a Pesquisa)
compared vinh » compared using (Expandir a Pesquisa), compared being (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
vinh ngoc » dinh ngoc (Expandir a Pesquisa), minh ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
colin » colon (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 l combs colin a ) or ((( 5 methods compared vinh ngoc ) or ( 3.5 nacl kcl carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs colin a ) OR ((( 5 methods compared vinh ngoc ) OR ( 3.5 nacl kcl carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs colin a ) or ((( 5 methods compared vinh ngoc ) or ( 3.5 nacl kcl carlos nara ))))*.