Perhaps you should try some spelling variations:
nerve causes » nerve caused (Expand Search), nerve cases (Expand Search), nerve cause (Expand Search)
causes does » causes des (Expand Search), cause does (Expand Search), campuses does (Expand Search)
cent merge » cent more (Expand Search)
bent nerve » absent nerve (Expand Search), mental nerve (Expand Search), dental nerve (Expand Search)
merge can » mergers can (Expand Search), mergel san (Expand Search), merge a (Expand Search)
can die » can diet (Expand Search), van die (Expand Search), aan die (Expand Search)
case di » case did (Expand Search), case dti (Expand Search), case de (Expand Search)
j cent » a cent (Expand Search), i cent (Expand Search), j center (Expand Search)
j bent » j benet (Expand Search), j bento (Expand Search), j bena (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j cent merge can die ) or ((( j bent nerve causes does ) or ( j bent nerve case di ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j cent merge can die ) OR ((( j bent nerve causes does ) OR ( j bent nerve case di )))).
• Adding a wildcard symbol may retrieve word variants: (( j cent merge can die ) or ((( j bent nerve causes does ) or ( j bent nerve case di ))))*.