Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
cct complex » cst complex (Expandir a Pesquisa), fact complex (Expandir a Pesquisa), coat complex (Expandir a Pesquisa)
pina carlos » pena carlos (Expandir a Pesquisa), pino carlos (Expandir a Pesquisa), pineda carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
hobbs john » hobbs jean (Expandir a Pesquisa)
john agnew » john bagnell (Expandir a Pesquisa)
concept n » concept _ (Expandir a Pesquisa), concept a (Expandir a Pesquisa), concept 2 (Expandir a Pesquisa)
nacl pina » nacl na (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
l hobbs » j hobbs (Expandir a Pesquisa), _ hobbs (Expandir a Pesquisa), m hobbs (Expandir a Pesquisa)
_ cct » _ ccl (Expandir a Pesquisa), _ cck (Expandir a Pesquisa), _ cbt (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 l hobbs john agnew ) or ((( _ cct complex concept n ) or ( 3.5 nacl pina carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l hobbs john agnew ) OR ((( _ cct complex concept n ) OR ( 3.5 nacl pina carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l hobbs john agnew ) or ((( _ cct complex concept n ) or ( 3.5 nacl pina carlos nara ))))*.