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 tries » complex tris (Expandir a Pesquisa), complex traits (Expandir a Pesquisa), complex series (Expandir a Pesquisa)
nabr carlos » jair carlos (Expandir a Pesquisa), mar carlos (Expandir a Pesquisa), bauer carlos (Expandir a Pesquisa)
carlos now » carlos noa (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos novo (Expandir a Pesquisa)
colin new » coli new (Expandir a Pesquisa), colic new (Expandir a Pesquisa), colon new (Expandir a Pesquisa)
tries ngo » trips ngo (Expandir a Pesquisa), trieu ngoa (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa)
nacl nabr » nacl kbr (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 05 method (Expandir a Pesquisa), 15 method (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 combs colin new ) OR ((( 5 method complex tries ngo ) OR ( m nacl nabr carlos now ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs colin new ) OR ((( 5 method complex tries ngo ) OR ( m nacl nabr carlos now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs colin new ) OR ((( 5 method complex tries ngo ) OR ( m nacl nabr carlos now ))))*.