Talvez deva tentar algumas variações de ortografia:
matched comparison » based comparison (Expandir a Pesquisa)
comparison trinh » comparison trial (Expandir a Pesquisa), comparison thigh (Expandir a Pesquisa), comparison during (Expandir a Pesquisa)
chen carlos » chan carlos (Expandir a Pesquisa), chen carol (Expandir a Pesquisa), jaen carlos (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
trinh ngoc » trinh quoc (Expandir a Pesquisa), dinh ngoc (Expandir a Pesquisa), minh ngoc (Expandir a Pesquisa)
combs non » combs john (Expandir a Pesquisa), combat non (Expandir a Pesquisa), combs jan (Expandir a Pesquisa)
5 matched » a matched (Expandir a Pesquisa), _ matched (Expandir a Pesquisa), 1 matched (Expandir a Pesquisa)
nacl chen » nacl en (Expandir a Pesquisa), cl chen (Expandir a Pesquisa), nacl thin (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
non net » non nest (Expandir a Pesquisa), con net (Expandir a Pesquisa), anion 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 non net ) OR ((( 5 matched comparison trinh ngoc ) OR ( 0.9 nacl chen carlos nora ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j e combs non net ) OR ((( 5 matched comparison trinh ngoc ) OR ( 0.9 nacl chen carlos nora ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs non net ) OR ((( 5 matched comparison trinh ngoc ) OR ( 0.9 nacl chen carlos nora ))))*.