Perhaps you should try some spelling variations:
letter nervous » center nervous (Expand Search), lobster nervous (Expand Search), other nervous (Expand Search)
benign beale » benign bile (Expand Search), benign base (Expand Search), benign breast (Expand Search)
benet nerve » bent nerve (Expand Search), detect nerve (Expand Search), benign nerve (Expand Search)
beale fase » beale falasse (Expand Search), beale's case (Expand Search)
bj letter » bj letters (Expand Search), b.j letters (Expand Search), _ letter (Expand Search)
nervous c » nervous _ (Expand Search), nervous 5 (Expand Search), nervous a (Expand Search)
j benign » j benigno (Expand Search), _ benign (Expand Search), a benign (Expand Search)
j benet » j bennett (Expand Search), j benito (Expand Search), j benesi (Expand Search)
case de » case due (Expand Search)
fase do » fases do (Expand Search), fase de (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: (( bj letter nervous c dos ) OR ((( j benet nerve case de ) OR ( j benign beale fase do ))))~.
• Adding a wildcard symbol may retrieve word variants: (( bj letter nervous c dos ) or ((( j benet nerve case de ) or ( j benign beale fase do ))))*.