Talvez deva tentar algumas variações de ortografia:
method complex » methods complex (Expandir a Pesquisa), method coupled (Expandir a Pesquisa), method complexity (Expandir a Pesquisa)
knecht carlos » knecht carolin (Expandir a Pesquisa)
carlos zapata » carlos mata (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex tehran (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
comes icon » comes can (Expandir a Pesquisa), comes second (Expandir a Pesquisa)
icon new » bacon new (Expandir a Pesquisa), icon fes (Expandir a Pesquisa), icon lem (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 5 methoxy (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (Expandir a Pesquisa)
ngoc » ngo (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 comes icon new ) or ((( 5 method complex tran ngoc ) or ( 3.5 nacl knecht carlos zapata ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes icon new ) OR ((( 5 method complex tran ngoc ) OR ( 3.5 nacl knecht carlos zapata )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes icon new ) or ((( 5 method complex tran ngoc ) or ( 3.5 nacl knecht carlos zapata ))))*.