Talvez deva tentar algumas variações de ortografia:
cranial nerve » facial nerve (Expandir a Pesquisa)
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign nevus (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve cat » nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
nerve can » merve can (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa), nerve canal (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), i benign (Expandir a Pesquisa), ii benign (Expandir a Pesquisa)
cat dis » cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j center (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": "(((( j cent nerve cat dis ) OR ( _ cranial nerve can dcs ))) OR ( j benign nerve cat dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cent nerve cat dis ) OR ( _ cranial nerve can dcs ))) OR ( j benign nerve cat dis ))*.