Talvez deva tentar algumas variações de ortografia:
causal complexity » natural complexity (Expandir a Pesquisa), neural complexity (Expandir a Pesquisa), clonal complexity (Expandir a Pesquisa)
complexity diep » complexity deep (Expandir a Pesquisa), complexity does (Expandir a Pesquisa), complexity de (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
knox carlos » knopf carlos (Expandir a Pesquisa), knox charles (Expandir a Pesquisa), knox carl (Expandir a Pesquisa)
diep ngoc » diem ngoc (Expandir a Pesquisa), dinh ngoc (Expandir a Pesquisa)
nacl knox » nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
l coombs » l coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
_ causal » _ cause (Expandir a Pesquisa), _ causes (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 _ new ) or ((( _ causal complexity diep ngoc ) or ( 0.9 nacl knox carlos rojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l coombs _ new ) OR ((( _ causal complexity diep ngoc ) OR ( 0.9 nacl knox carlos rojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombs _ new ) or ((( _ causal complexity diep ngoc ) or ( 0.9 nacl knox carlos rojek ))))*.