Talvez deva tentar algumas variações de ortografia:
method compared » method combined (Expandir a Pesquisa), method comparison (Expandir a Pesquisa)
compared tried » compare trial (Expandir a Pesquisa), compared fixed (Expandir a Pesquisa), compared three (Expandir a Pesquisa)
najar carlos » nejar carlos (Expandir a Pesquisa), nassar carlos (Expandir a Pesquisa), fajardo carlos (Expandir a Pesquisa)
tried ngoc » trieu ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa), tien ngoc (Expandir a Pesquisa)
nacl najar » al najar (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
carlos nad » carlos nardi (Expandir a Pesquisa), carlos nadaf (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs cody (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 5 methoxy (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (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 e combs con net ) or ((( 5 method compared tried ngoc ) or ( 3.5 nacl najar carlos nad ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs con net ) OR ((( 5 method compared tried ngoc ) OR ( 3.5 nacl najar carlos nad )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs con net ) or ((( 5 method compared tried ngoc ) or ( 3.5 nacl najar carlos nad ))))*.