Perhaps you should try some spelling variations:
letters nerve » letter nerve (Expand Search), letters never (Expand Search), letters nurse (Expand Search)
dental nerve » mental nerve (Expand Search), ventral nerve (Expand Search), central nerve (Expand Search)
b.j letters » bj letters (Expand Search), cuaj letters (Expand Search)
benign nevi » benign neck (Expand Search)
nerve base » nerve based (Expand Search), nerve case (Expand Search), nerves based (Expand Search)
nevi aase » nevi case (Expand Search)
j dental » j dent (Expand Search), j delta (Expand Search), j deal (Expand Search)
j benign » j benigno (Expand Search), _ benign (Expand Search), a benign (Expand Search)
nerve a » nerve _ (Expand Search)
aase di » base di (Expand Search), fase di (Expand Search), case di (Expand Search)
a des » a dos (Expand Search), a del (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: (( b.j letters nerve a des ) OR ((( j dental nerve base de ) OR ( j benign nevi aase di ))))~.
• Adding a wildcard symbol may retrieve word variants: (( b.j letters nerve a des ) or ((( j dental nerve base de ) or ( j benign nevi aase di ))))*.