Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
most complex » most complete (Expandir a Pesquisa), cst complex (Expandir a Pesquisa), mt complex (Expandir a Pesquisa)
carlos nadaf » carlos nadale (Expandir a Pesquisa), carlos adam (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
thin carlos » tarin carlos (Expandir a Pesquisa), stein carlos (Expandir a Pesquisa), thire carlos (Expandir a Pesquisa)
concept a » concept _ (Expandir a Pesquisa)
l coombs » l coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
5 most » 50 most (Expandir a Pesquisa), 25 most (Expandir a Pesquisa), _ most (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 new ) or ((( 5 most complex concept a ) or ( 7.5 nacl thin carlos nadaf ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coombs john new ) OR ((( 5 most complex concept a ) OR ( 7.5 nacl thin carlos nadaf )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombs john new ) or ((( 5 most complex concept a ) or ( 7.5 nacl thin carlos nadaf ))))*.