Perhaps you should try some spelling variations:
letter nerve » letter nurse (Expand Search), matter nerve (Expand Search), letter nervous (Expand Search)
deal nerve » dual nerve (Expand Search), dental nerve (Expand Search), dermal nerve (Expand Search)
nerve fase » nerve case (Expand Search), nerve based (Expand Search), nerve cases (Expand Search)
neck based » neck case (Expand Search), rock based (Expand Search), neck cases (Expand Search)
j letter » bj letter (Expand Search), cj letter (Expand Search), j letters (Expand Search)
based di » based dir (Expand Search), based diet (Expand Search), based disk (Expand Search)
nerve c » nerve cn (Expand Search), nerve co (Expand Search), nerve ct (Expand Search)
fase di » fase de (Expand Search), fase do (Expand Search), fase i (Expand Search)
c disc » c disch (Expand Search), isc disc (Expand Search)
j deal » j dean (Expand Search), j dell (Expand Search), j deml (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 letter nerve c disc ) OR ((( j deal nerve fase di ) OR ( a benign neck based di ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j letter nerve c disc ) or ((( j deal nerve fase di ) or ( a benign neck based di ))))*.