Perhaps you should try some spelling variations:
dentina nerve » dentin nerve (Expand Search), retina nerve (Expand Search), retinal nerve (Expand Search)
center nerve » cancer nerve (Expand Search), center nurse (Expand Search), letter nerve (Expand Search)
benign nevus » benign nevi (Expand Search), benign neck (Expand Search), benign nerve (Expand Search)
la dentina » da dentina (Expand Search), la argentina (Expand Search)
nevus aas » nevus case (Expand Search), nevus a (Expand Search), nevus may (Expand Search)
j center » j centner (Expand Search), j centeno (Expand Search), j cestero (Expand Search)
a benign » _ benign (Expand Search)
nerve c » nerve cn (Expand Search), nerve co (Expand Search), nerve ct (Expand Search)
case de » case due (Expand Search)
aas di » atas di (Expand Search), gas di (Expand Search), mas di (Expand Search)
c dis » c dias (Expand Search), c disc (Expand Search), c dos (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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( j center nerve c dis ) OR ((( la dentina nerve case de ) OR ( a benign nevus aas di ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j center nerve c dis ) or ((( la dentina nerve case de ) or ( a benign nevus aas di ))))*.