Talvez deva tentar algumas variações de ortografia:
cantor carlos » kantor carlos (Expandir a Pesquisa), canto carlos (Expandir a Pesquisa), cantor charles (Expandir a Pesquisa)
complex trieu » complex trial (Expandir a Pesquisa), complex tree (Expandir a Pesquisa), complex tric (Expandir a Pesquisa)
carlos nobre » carlos sobral (Expandir a Pesquisa), carlos abreu (Expandir a Pesquisa), carlos neri (Expandir a Pesquisa)
set complex » set1 complex (Expandir a Pesquisa), yet complex (Expandir a Pesquisa), onset complex (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa)
trieu ngoa » trieu ngoc (Expandir a Pesquisa), thieu nga (Expandir a Pesquisa), trieu nghi (Expandir a Pesquisa)
john net » john new (Expandir a Pesquisa), john neetu (Expandir a Pesquisa), john asnet (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
_ set » _ sex (Expandir a Pesquisa), _ sea (Expandir a Pesquisa), a set (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 john net ) or ((( _ set complex trieu ngoa ) or ( 7.5 nacl cantor carlos nobre ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs john net ) OR ((( _ set complex trieu ngoa ) OR ( 7.5 nacl cantor carlos nobre )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs john net ) or ((( _ set complex trieu ngoa ) or ( 7.5 nacl cantor carlos nobre ))))*.