Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
ventral merve » ventral nerve (Expandir a Pesquisa), ventral mesh (Expandir a Pesquisa), ventral eye (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
1 ventral » i ventral (Expandir a Pesquisa), da1 ventral (Expandir a Pesquisa), 1 venereal (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
can due » scan due (Expandir a Pesquisa), man due (Expandir a Pesquisa), can de (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 central nerve system di ) or ( i current nerve case dis ))) or ( 1 ventral merve can due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system di ) OR ( i current nerve case dis ))) OR ( 1 ventral merve can due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system di ) or ( i current nerve case dis ))) or ( 1 ventral merve can due ))*.