Talvez deva tentar algumas variações de ortografia:
complex concept » complex concepts (Expandir a Pesquisa), complex context (Expandir a Pesquisa), complex connects (Expandir a Pesquisa)
carlos zavala » carlos ayala (Expandir a Pesquisa), carlos zapata (Expandir a Pesquisa), cortes zavala (Expandir a Pesquisa)
klein carlos » klein marlise (Expandir a Pesquisa), otin carlos (Expandir a Pesquisa)
fmo complex » tho complex (Expandir a Pesquisa), two complex (Expandir a Pesquisa), oxo complex (Expandir a Pesquisa)
concept new » concepts new (Expandir a Pesquisa)
nac klein » c klein (Expandir a Pesquisa), a klein (Expandir a Pesquisa), bar klein (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
7.5 nac » 7.5 nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
x fmo » _ fmo (Expandir a Pesquisa), x mo (Expandir a Pesquisa), x feo (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 comps _ new ) or ((( x fmo complex concept new ) or ( 7.5 nac klein carlos zavala ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps _ new ) OR ((( x fmo complex concept new ) OR ( 7.5 nac klein carlos zavala )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps _ new ) or ((( x fmo complex concept new ) or ( 7.5 nac klein carlos zavala ))))*.