Talvez deva tentar algumas variações de ortografia:
letters nerve » letter nerve (Expandir a Pesquisa), letters never (Expandir a Pesquisa), letters nurse (Expandir a Pesquisa)
nerve cannase » nerve case (Expandir a Pesquisa), nerve canal (Expandir a Pesquisa), nerve canals (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
nerve canase » nerve case (Expandir a Pesquisa), nerve canal (Expandir a Pesquisa), nerve canals (Expandir a Pesquisa)
bell nerve » cell nerve (Expandir a Pesquisa), wall nerve (Expandir a Pesquisa)
cannase di » cannas da (Expandir a Pesquisa), canna di (Expandir a Pesquisa), canne di (Expandir a Pesquisa)
canase dti » case dti (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( _ letters nerve can dis ) OR ((( j bell nerve cannase di ) OR ( j benign nerve canase dti ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( _ letters nerve can dis ) OR ((( j bell nerve cannase di ) OR ( j benign nerve canase dti ))))*".