Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
cst complex » coat complex (Expandir a Pesquisa), ift complex (Expandir a Pesquisa), corest complex (Expandir a Pesquisa)
concept non » concept note (Expandir a Pesquisa), concept boon (Expandir a Pesquisa), concept can (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa)
mar carlos » mario carlos (Expandir a Pesquisa), maria carlos (Expandir a Pesquisa), marco carlos (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
nacl mar » nacl nabr (Expandir a Pesquisa), nacl meat (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
5 cst » _ cst (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 john new ) or ((( 5 cst complex concept non ) or ( 0.9 nacl mar carlos lima ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs john new ) OR ((( 5 cst complex concept non ) OR ( 0.9 nacl mar carlos lima )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs john new ) or ((( 5 cst complex concept non ) or ( 0.9 nacl mar carlos lima ))))*.