Talvez deva tentar algumas variações de ortografia:
renal nerves » renal nerve (Expandir a Pesquisa), cranial nerves (Expandir a Pesquisa), retinal nerve (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
benton nerve » benign nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
nerves can » nerves a (Expandir a Pesquisa), nerves c (Expandir a Pesquisa), nerves co (Expandir a Pesquisa)
ai absent » ii absent (Expandir a Pesquisa), _ absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
can dags » can data (Expandir a Pesquisa), can da (Expandir a Pesquisa), can dan (Expandir a Pesquisa)
j benton » j benito (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
i renal » ii renal (Expandir a Pesquisa), i real (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": "(((( ai absent nerve can dis ) OR ( i renal nerves can dags ))) OR ( j benton nerve can dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( ai absent nerve can dis ) OR ( i renal nerves can dags ))) OR ( j benton nerve can dis ))*.