Talvez deva tentar algumas variações de ortografia:
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
delta nerve » beta nerve (Expandir a Pesquisa), deltoid nerve (Expandir a Pesquisa), deltas served (Expandir a Pesquisa)
ac current » c current (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (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: (( ac current nerve cyst due ) or ((( j delta nerve case dis ) or ( a central nerve system di ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( ac current nerve cyst due ) OR ((( j delta nerve case dis ) OR ( a central nerve system di )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( ac current nerve cyst due ) or ((( j delta nerve case dis ) or ( a central nerve system di ))))*.