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 tien » complex times (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex time (Expandir a Pesquisa)
hajar carlos » najar carlos (Expandir a Pesquisa), nejar carlos (Expandir a Pesquisa), baltar carlos (Expandir a Pesquisa)
combs upon » limbs upon (Expandir a Pesquisa)
nacl hajar » al hajar (Expandir a Pesquisa), rachel hajar (Expandir a Pesquisa)
carlos nad » carlos nardi (Expandir a Pesquisa), carlos nadaf (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
tien ngoc » tran ngoc (Expandir a Pesquisa), diep ngoc (Expandir a Pesquisa), tuan ngoc (Expandir a Pesquisa)
upon new » upon neo (Expandir a Pesquisa), upon net (Expandir a Pesquisa), upon near (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 5 methoxy (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
e combs » sex combs (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 e combs upon new ) or ((( 5 method complex tien ngoc ) or ( 3.5 nacl hajar carlos nad ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs upon new ) OR ((( 5 method complex tien ngoc ) OR ( 3.5 nacl hajar carlos nad )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs upon new ) or ((( 5 method complex tien ngoc ) or ( 3.5 nacl hajar carlos nad ))))*.