Perhaps you should try some spelling variations:
centner nurses » center nurses (Expand Search), center nurse (Expand Search), cancer nurses (Expand Search)
benign nerve » benign nevi (Expand Search), benign neck (Expand Search), benign beale (Expand Search)
bento nerve » bent nerve (Expand Search)
nerve paes » nerve plates (Expand Search), nerve palsy (Expand Search), nerve plays (Expand Search)
j centner » j center (Expand Search), m centner (Expand Search), _ entner (Expand Search)
nurses c » nurses co (Expand Search), nurses cn (Expand Search), nurses _ (Expand Search)
j benign » j benigno (Expand Search), _ benign (Expand Search), a benign (Expand Search)
j bento » j benito (Expand Search), j benton (Expand Search), j benson (Expand Search)
case de » case due (Expand Search)
c dias » c diaz (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 centner nurses c dias ) OR ((( j bento nerve paes de ) OR ( j benign nerve case de ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j centner nurses c dias ) or ((( j bento nerve paes de ) or ( j benign nerve case de ))))*.