Talvez deva tentar algumas variações de ortografia:
femoral nerve » femoral neck (Expandir a Pesquisa)
zentner nerve » letter nerve (Expandir a Pesquisa)
upon nerves » upon nerve (Expandir a Pesquisa), upon nervous (Expandir a Pesquisa), human nerves (Expandir a Pesquisa)
j zentner » a zentner (Expandir a Pesquisa), j centner (Expandir a Pesquisa), r zentner (Expandir a Pesquisa)
i femoral » ii femoral (Expandir a Pesquisa), c femoral (Expandir a Pesquisa), iii femoral (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
nerves c » nerves co (Expandir a Pesquisa), nerves _ (Expandir a Pesquisa), nerves a (Expandir a Pesquisa)
nerve c » nerve cn (Expandir a Pesquisa), nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
de upon » e upon (Expandir a Pesquisa), made upon (Expandir a Pesquisa), wide upon (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j zentner nerve c dis ) OR ( i femoral nerve can dcs ))) OR ( de upon nerves c dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j zentner nerve c dis ) OR ( i femoral nerve can dcs ))) OR ( de upon nerves c dis ))*".