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 trial » complex atrial (Expandir a Pesquisa), complex tibial (Expandir a Pesquisa), complex tropical (Expandir a Pesquisa)
knopf carlos » prof carlos (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
comes con » comes can (Expandir a Pesquisa), comunes con (Expandir a Pesquisa), comes down (Expandir a Pesquisa)
trial noa » trial note (Expandir a Pesquisa), trial new (Expandir a Pesquisa), tal noa (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 5 methoxy (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
3.5 nucl » 3.5 nacl (Expandir a Pesquisa), 34.5 null (Expandir a Pesquisa), 3 nucl (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (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 _ comes con net ) or ((( 5 method complex trial noa ) or ( 3.5 nucl knopf carlos nojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ comes con net ) OR ((( 5 method complex trial noa ) OR ( 3.5 nucl knopf carlos nojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ comes con net ) or ((( 5 method complex trial noa ) or ( 3.5 nucl knopf carlos nojek ))))*.