Perhaps you should try some spelling variations:
reserve system » research system (Expand Search), nerve system (Expand Search), research systems (Expand Search)
bent nerve » absent nerve (Expand Search), mental nerve (Expand Search), dental nerve (Expand Search)
j centner » j center (Expand Search), m centner (Expand Search), _ entner (Expand Search)
system d » system de (Expand Search), system der (Expand Search), system des (Expand Search)
can die » can diet (Expand Search), van die (Expand Search), aan die (Expand Search)
nerve c » nerve cn (Expand Search), nerve co (Expand Search), nerve ct (Expand Search)
j mehta » a mehta (Expand Search), _ mehta (Expand Search), k mehta (Expand Search)
i bent » i benth (Expand Search), i benet (Expand Search), i bento (Expand Search)
c disc » c disch (Expand Search), isc disc (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 merve can die ) OR ( i bent nerve c disc ))) OR ( j mehta reserve system d ))~.
• Adding a wildcard symbol may retrieve word variants: (((( j centner merve can die ) or ( i bent nerve c disc ))) or ( j mehta reserve system d ))*.