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 tris » complex tric (Expandir a Pesquisa), complex trs (Expandir a Pesquisa), complex traits (Expandir a Pesquisa)
combs folic » combs colin (Expandir a Pesquisa)
knot carlos » knopf carlos (Expandir a Pesquisa), enout carlos (Expandir a Pesquisa), knecht carlos (Expandir a Pesquisa)
tris ngoc » trinh ngoc (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 05 method (Expandir a Pesquisa), 15 method (Expandir a Pesquisa)
nac knot » nara knot (Expandir a Pesquisa), nice knot (Expandir a Pesquisa), a knot (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
folic m » colic m (Expandir a Pesquisa), golic m (Expandir a Pesquisa), folic _ (Expandir a Pesquisa)
3 nac » 3 nacl (Expandir a Pesquisa), _ nac (Expandir a Pesquisa), a nac (Expandir a Pesquisa)
nunez » nunes (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 folic m ) OR ((( 5 method complex tris ngoc ) OR ( 3 nac knot carlos nunez ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs folic m ) OR ((( 5 method complex tris ngoc ) OR ( 3 nac knot carlos nunez ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs folic m ) OR ((( 5 method complex tris ngoc ) OR ( 3 nac knot carlos nunez ))))*.