Perhaps you should try some spelling variations:
benigno nerve » benign nerve (Expand Search), benigno leyva (Expand Search), benign nevi (Expand Search)
benitez eva » benitez alva (Expand Search), benitez elsa (Expand Search), benitez a (Expand Search)
bent nerve » absent nerve (Expand Search), mental nerve (Expand Search), dental nerve (Expand Search)
nerve cyst » nerve cystic (Expand Search), nerve cat (Expand Search), nerve ct (Expand Search)
case disc » cause disc (Expand Search), case did (Expand Search), case di (Expand Search)
c benigno » a benigno (Expand Search), c benicio (Expand Search), c benini (Expand Search)
j benitez » f benitez (Expand Search), a benitez (Expand Search)
cyst dis » cyst due (Expand Search), cyst d (Expand Search), cyst dna (Expand Search)
i bent » i benth (Expand Search), i benet (Expand Search), i bento (Expand Search)
eva e » eva m (Expand Search), eva c (Expand Search), eva l (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: (( i bent nerve case disc ) OR ((( c benigno nerve cyst dis ) OR ( j benitez eva e dos ))))~.
• Adding a wildcard symbol may retrieve word variants: (( i bent nerve case disc ) or ((( c benigno nerve cyst dis ) or ( j benitez eva e dos ))))*.