Talvez deva tentar algumas variações de ortografia:
direct neural » direct neuronal (Expandir a Pesquisa), direct peroral (Expandir a Pesquisa), direct oral (Expandir a Pesquisa)
greater nerve » greater curve (Expandir a Pesquisa), greater neural (Expandir a Pesquisa), greater degree (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
neural cyst » neural cost (Expandir a Pesquisa), neural cest (Expandir a Pesquisa), neural crest (Expandir a Pesquisa)
_ greater » _ great (Expandir a Pesquisa)
2 ventral » i ventral (Expandir a Pesquisa)
j direct » j director (Expandir a Pesquisa), nhj direct (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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 direct neural cyst due ) OR ( _ greater nerve case dis ))) OR ( 2 ventral nerve a dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j direct neural cyst due ) OR ( _ greater nerve case dis ))) OR ( 2 ventral nerve a dis ))*.