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 tried » complex trial (Expandir a Pesquisa), complex tree (Expandir a Pesquisa), complex trex (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)
tried ngoc » trieu ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa), tien ngoc (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)
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)
j sex » _ sex (Expandir a Pesquisa), a sex (Expandir a Pesquisa), f sex (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 sex combs upon new ) OR ((( 5 method complex tried ngoc ) OR ( 3.5 nacl hajar carlos nad ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j sex combs upon new ) OR ((( 5 method complex tried ngoc ) OR ( 3.5 nacl hajar carlos nad ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j sex combs upon new ) OR ((( 5 method complex tried ngoc ) OR ( 3.5 nacl hajar carlos nad ))))*.