Talvez deva tentar algumas variações de ortografia:
method complex » methods complex (Expandir a Pesquisa), method coupled (Expandir a Pesquisa), method complexity (Expandir a Pesquisa)
complex thien » complex thin (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex three (Expandir a Pesquisa)
carlos nava » carlos navarro (Expandir a Pesquisa), carlos eslava (Expandir a Pesquisa), carlos zavala (Expandir a Pesquisa)
thien ngoc » tien ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa), tuyen ngoc (Expandir a Pesquisa)
sao carlos » joao carlos (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
15 method » 135 method (Expandir a Pesquisa), 15 methods (Expandir a Pesquisa), 05 method (Expandir a Pesquisa)
nacl sao » nacl salt (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa), nacl naoh (Expandir a Pesquisa)
con new » icon new (Expandir a Pesquisa), con nee (Expandir a Pesquisa), con net (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 _ combs con new ) or ((( 15 method complex thien ngoc ) or ( 0.9 nacl sao carlos nava ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs con new ) OR ((( 15 method complex thien ngoc ) OR ( 0.9 nacl sao carlos nava )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs con new ) or ((( 15 method complex thien ngoc ) or ( 0.9 nacl sao carlos nava ))))*.