Perhaps you should try some spelling variations:
dental nerve » mental nerve (Expand Search), ventral nerve (Expand Search), central nerve (Expand Search)
nerve system » nervous system (Expand Search), drive system (Expand Search)
nervous case » nervous cases (Expand Search), nervous age (Expand Search), nervous cancer (Expand Search)
crest nerve » treat nerve (Expand Search), crest derived (Expand Search), current nerve (Expand Search)
nerve cyst » nerve cystic (Expand Search), nerve case (Expand Search), nerve cat (Expand Search)
system dis » system dias (Expand Search), system dcs (Expand Search), system dds (Expand Search)
j central » 1hfj central (Expand Search)
j dental » j dent (Expand Search), j delta (Expand Search), j deal (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( _ crest nerve cyst due ) or ((( j dental nerve system dis ) or ( j central nervous case dis ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( _ crest nerve cyst due ) OR ((( j dental nerve system dis ) OR ( j central nervous case dis )))).
• Adding a wildcard symbol may retrieve word variants: (( _ crest nerve cyst due ) or ((( j dental nerve system dis ) or ( j central nervous case dis ))))*.