Talvez deva tentar algumas variações de ortografia:
marcelo carlos » marcelo carvalho (Expandir a Pesquisa)
method complex » methods complex (Expandir a Pesquisa), method coupled (Expandir a Pesquisa), method complexity (Expandir a Pesquisa)
complex mixed » complex mirna (Expandir a Pesquisa), complex mixtures (Expandir a Pesquisa)
nacl marcelo » nacif marcelo (Expandir a Pesquisa), natal marcelo (Expandir a Pesquisa), paul marcelo (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
mixed ngoc » mixed non (Expandir a Pesquisa), mixed nop (Expandir a Pesquisa)
05 method » b05 method (Expandir a Pesquisa), 15 method (Expandir a Pesquisa), 5 method (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
colin » colon (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 colin a ) or ((( 05 method complex mixed ngoc ) or ( 3.5 nacl marcelo carlos nora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs colin a ) OR ((( 05 method complex mixed ngoc ) OR ( 3.5 nacl marcelo carlos nora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs colin a ) or ((( 05 method complex mixed ngoc ) or ( 3.5 nacl marcelo carlos nora ))))*.