Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
ifn complex » can complex (Expandir a Pesquisa), cn complex (Expandir a Pesquisa), een complex (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (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)
na carlos » ona carlos (Expandir a Pesquisa), ana carlos (Expandir a Pesquisa), a carlos (Expandir a Pesquisa)
l coombs » l coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
nacl na » nacl nas (Expandir a Pesquisa), nacl a (Expandir a Pesquisa), nacl nabr (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 coombs john agnew ) or ((( _ ifn complex concept n ) or ( 3.5 nacl na carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coombs john agnew ) OR ((( _ ifn complex concept n ) OR ( 3.5 nacl na carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombs john agnew ) or ((( _ ifn complex concept n ) or ( 3.5 nacl na carlos jara ))))*.