Talvez deva tentar algumas variações de ortografia:
complex ccsc » complex ccoc (Expandir a Pesquisa), complex csc (Expandir a Pesquisa), complex case (Expandir a Pesquisa)
wall complex » cell complex (Expandir a Pesquisa)
own child » born child (Expandir a Pesquisa), can child (Expandir a Pesquisa), own children (Expandir a Pesquisa)
child num » chile num (Expandir a Pesquisa), child norm (Expandir a Pesquisa), child non (Expandir a Pesquisa)
ccsc non » ccrcc non (Expandir a Pesquisa)
3 neila » 3 neil3 (Expandir a Pesquisa), _ neila (Expandir a Pesquisa), j neila (Expandir a Pesquisa)
neila m » leila m (Expandir a Pesquisa), keila m (Expandir a Pesquisa), sheila m (Expandir a Pesquisa)
3 wall » 3d wall (Expandir a Pesquisa), 31 wall (Expandir a Pesquisa), _ wall (Expandir a Pesquisa)
w ngoc » _ ngoc (Expandir a Pesquisa), b ngoc (Expandir a Pesquisa), d ngoc (Expandir a Pesquisa)
l own » l owen (Expandir a Pesquisa), al own (Expandir a Pesquisa), _ own (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se retirar as aspas poderá fazer uma pesquisa mais abragente: (( j l own child num ) OR ((( 3 wall complex ccsc non ) OR ( 3 neila m w ngoc )))).