Talvez deva tentar algumas variações de ortografia:
methods compare » methods compared (Expandir a Pesquisa), methodes compares (Expandir a Pesquisa), method compared (Expandir a Pesquisa)
compare trial » compass trial (Expandir a Pesquisa), compact trial (Expandir a Pesquisa), compas trial (Expandir a Pesquisa)
nuno carlos » nino carlos (Expandir a Pesquisa), nunes carlos (Expandir a Pesquisa), bueno carlos (Expandir a Pesquisa)
carlos juca » carlos juan (Expandir a Pesquisa), carlos julio (Expandir a Pesquisa)
trial quoc » trinh quoc (Expandir a Pesquisa), tran quoc (Expandir a Pesquisa), trial quit (Expandir a Pesquisa)
colin nee » colin anne (Expandir a Pesquisa), colin neil (Expandir a Pesquisa), colin n (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
nacl nuno » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (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 _ combs colin nee ) or ((( 5 methods compare trial quoc ) or ( 0.9 nacl nuno carlos juca ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs colin nee ) OR ((( 5 methods compare trial quoc ) OR ( 0.9 nacl nuno carlos juca )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs colin nee ) or ((( 5 methods compare trial quoc ) or ( 0.9 nacl nuno carlos juca ))))*.