Perhaps you should try some spelling variations:
ventral nerve » femoral nerve (Expand Search)
nerve system » nervous system (Expand Search), drive system (Expand Search)
system dias » system dan (Expand Search), system dcs (Expand Search), system dcus (Expand Search)
ii ventral » i ventral (Expand Search), _ ventral (Expand Search), a ventral (Expand Search)
cent nerve » recent nerve (Expand Search), crest nerve (Expand Search), central nerve (Expand Search)
bent nerve » absent nerve (Expand Search), mental nerve (Expand Search), dental nerve (Expand Search)
nerve cat » nerve can (Expand Search), nerve ct (Expand Search), nerve cut (Expand Search)
canal due » canal de (Expand Search), canal du (Expand Search), canada due (Expand Search)
cat dis » cat did (Expand Search), cat diets (Expand Search), cat bias (Expand Search)
j cent » a cent (Expand Search), i cent (Expand Search), j center (Expand Search)
j bent » j benet (Expand Search), j bento (Expand Search), j bena (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( ii ventral nerve cat dis ) or ( j cent nerve system dias ))) or ( j bent nerve canal due ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( ii ventral nerve cat dis ) OR ( j cent nerve system dias ))) OR ( j bent nerve canal due )).
• Adding a wildcard symbol may retrieve word variants: (((( ii ventral nerve cat dis ) or ( j cent nerve system dias ))) or ( j bent nerve canal due ))*.