Talvez deva tentar algumas variações de ortografia:
methods compared » method compared (Expandir a Pesquisa), methods comparison (Expandir a Pesquisa)
compared tries » compare trial (Expandir a Pesquisa), compared cases (Expandir a Pesquisa), compared three (Expandir a Pesquisa)
kuhl carlos » riehl carlos (Expandir a Pesquisa), diehl carlos (Expandir a Pesquisa)
comes coli » tomes colin (Expandir a Pesquisa), comes ovi (Expandir a Pesquisa), comes callin (Expandir a Pesquisa)
tries ngoc » trieu ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa), tien ngoc (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
nacl kuhl » nacl kcl (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 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 l comes coli new ) or ((( 5 methods compared tries ngoc ) or ( 3 nacl kuhl carlos noe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes coli new ) OR ((( 5 methods compared tries ngoc ) OR ( 3 nacl kuhl carlos noe )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes coli new ) or ((( 5 methods compared tries ngoc ) or ( 3 nacl kuhl carlos noe ))))*.