Talvez deva tentar algumas variações de ortografia:
nervous syste » nervous system (Expandir a Pesquisa), nervous systems (Expandir a Pesquisa), nervous system's (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
benet nerve » bent nerve (Expandir a Pesquisa), detect nerve (Expandir a Pesquisa), absent nerve (Expandir a Pesquisa)
syste due » system due (Expandir a Pesquisa), systems due (Expandir a Pesquisa), system duke (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j treat » j threat (Expandir a Pesquisa), _ treat (Expandir a Pesquisa), a treat (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
j benet » j bennett (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benesi (Expandir a Pesquisa)
a dis » a disc (Expandir a Pesquisa), a dos (Expandir a Pesquisa), a des (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 treat nerve a dis ) or ( a central nervous syste due ))) or ( j benet nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j treat nerve a dis ) OR ( a central nervous syste due ))) OR ( j benet nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j treat nerve a dis ) or ( a central nervous syste due ))) or ( j benet nerve case dis ))*.