Perhaps you should try some spelling variations:
central nerve » central nervous (Expand Search), central neural (Expand Search), pectoral nerve (Expand Search)
current nerve » recurrent nerve (Expand Search), current service (Expand Search), current energy (Expand Search)
ventral nerve » femoral nerve (Expand Search)
nerve system » nervous system (Expand Search), drive system (Expand Search)
j central » 1hfj central (Expand Search)
system di » system de (Expand Search), system d (Expand Search), system dias (Expand Search)
j ventral » _ ventral (Expand Search), a ventral (Expand Search), 2 ventral (Expand Search)
nerve cat » nerve can (Expand Search), nerve ct (Expand Search), nerve cut (Expand Search)
case dis » case disc (Expand Search), case did (Expand Search), case di (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( j central nerve system di ) OR ( 1 current nerve case dis ))) OR ( j ventral nerve cat due ))~".
• Adding a wildcard symbol may retrieve word variants: (((( j central nerve system di ) OR ( 1 current nerve case dis ))) OR ( j ventral nerve cat due ))*.