Talvez deva tentar algumas variações de ortografia:
augment nerve » segment nerve (Expandir a Pesquisa), augment gene (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
eo augment » eto augments (Expandir a Pesquisa), do augmento (Expandir a Pesquisa), _ augment (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i spinal » a spinal (Expandir a Pesquisa), i spiral (Expandir a Pesquisa), iii spinal (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a 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": "(((( a cent nerve cyst _ ) OR ( i spinal nerve can dcs ))) OR ( eo augment nerve cyst _ ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cent nerve cyst _ ) OR ( i spinal nerve can dcs ))) OR ( eo augment nerve cyst _ ))*.