Perhaps you should try some spelling variations:
center nurse » center nurses (Expand Search), better nurse (Expand Search), letter nurse (Expand Search)
nerve canals » nerve canal (Expand Search), nerve changes (Expand Search), nerve signals (Expand Search)
benet nerve » bent nerve (Expand Search), detect nerve (Expand Search), benign nerve (Expand Search)
canals di » canals i (Expand Search), canale di (Expand Search), canals do (Expand Search)
j center » j centner (Expand Search), j centeno (Expand Search), j cestero (Expand Search)
i benign » _ benign (Expand Search), a benign (Expand Search), i beni (Expand Search)
nurse c » nurse _ (Expand Search), nurse a (Expand Search), nurse can (Expand Search)
j benet » j bennett (Expand Search), j benito (Expand Search), j benesi (Expand Search)
case d » case de (Expand Search), case 1 (Expand Search), case 2 (Expand Search)
c dos » e dos (Expand Search), a 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 nurse c dos ) OR ((( j benet nerve canals di ) OR ( i benign neck case d ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j center nurse c dos ) or ((( j benet nerve canals di ) or ( i benign neck case d ))))*.