Talvez deva tentar algumas variações de ortografia:
cranial nerve » facial nerve (Expandir a Pesquisa)
benton nerve » benign nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
treat nerve » rat nerve (Expandir a Pesquisa), treat service (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
i cranial » _ cranial (Expandir a Pesquisa), a cranial (Expandir a Pesquisa), vii cranial (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j benton » j benito (Expandir a Pesquisa)
a treat » _ treat (Expandir a Pesquisa), a treated (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
can de » can do (Expandir a Pesquisa), can diet (Expandir a Pesquisa)
c dis » c dias (Expandir a Pesquisa), c disc (Expandir a Pesquisa), c dos (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( a treat nerve c dis ) OR ( i cranial nerve can de ))) OR ( j benton nerve c dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a treat nerve c dis ) OR ( i cranial nerve can de ))) OR ( j benton nerve c dis ))*.