Talvez deva tentar algumas variações de ortografia:
nacl complex » nac56 complex (Expandir a Pesquisa), al complex (Expandir a Pesquisa), all complex (Expandir a Pesquisa)
complex cuff » complex cu (Expandir a Pesquisa), complex caf (Expandir a Pesquisa), complex cbf (Expandir a Pesquisa)
dena ning » deng ning (Expandir a Pesquisa), na ning (Expandir a Pesquisa), ena nino (Expandir a Pesquisa)
child na » child non (Expandir a Pesquisa), child now (Expandir a Pesquisa), child _ (Expandir a Pesquisa)
cuff non » cuffed non (Expandir a Pesquisa), cuff john (Expandir a Pesquisa), cuff noel (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
3 neil » 3 neil3 (Expandir a Pesquisa), m neil (Expandir a Pesquisa)
neil c » neil a (Expandir a Pesquisa), neil e (Expandir a Pesquisa), neil _ (Expandir a Pesquisa)
c dena » c deng (Expandir a Pesquisa), c dela (Expandir a Pesquisa), c deka (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 n ((child na) OR (child a)) ) or ((( 3 nacl complex cuff non ) or ( 3 neil c dena ning ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l n ((child na) OR (child a)) ) OR ((( 3 nacl complex cuff non ) OR ( 3 neil c dena ning ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l n ((child na) OR (child a)) ) or ((( 3 nacl complex cuff non ) or ( 3 neil c dena ning ))))*".