Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
direct energy » directed energy (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
energy case » energy cane (Expandir a Pesquisa), energy cape (Expandir a Pesquisa), energy caused (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
bela nerve » beta nerve (Expandir a Pesquisa), pgla nerve (Expandir a Pesquisa), delays nerve (Expandir a Pesquisa)
j direct » j director (Expandir a Pesquisa), nhj direct (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j bela » j bell (Expandir a Pesquisa), j belval (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: (( a central nerve system dcs ) or ((( j direct energy case due ) or ( j bela nerve case dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a central nerve system dcs ) OR ((( j direct energy case due ) OR ( j bela nerve case dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a central nerve system dcs ) or ((( j direct energy case due ) or ( j bela nerve case dis ))))*.