Talvez deva tentar algumas variações de ortografia:
benign nerve » benign nevi (Expandir a Pesquisa), benign neck (Expandir a Pesquisa), benign beale (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
mena nerve » mental nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa), menan herve (Expandir a Pesquisa)
nerve cyst » nerve cystic (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i spinal » _ spinal (Expandir a Pesquisa), a spinal (Expandir a Pesquisa), i spiral (Expandir a Pesquisa)
a benign » _ benign (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
j mena » j medina (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (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 mena nerve cyst d ) OR ( i spinal nerve can dcs ))) OR ( a benign nerve cyst d ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j mena nerve cyst d ) OR ( i spinal nerve can dcs ))) OR ( a benign nerve cyst d ))*.