Talvez deva tentar algumas variações de ortografia:
ventral curve » ventral nerve (Expandir a Pesquisa), general curve (Expandir a Pesquisa), spectral curve (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
curve does » nerve does (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
does dags » does day (Expandir a Pesquisa), does dog (Expandir a Pesquisa), does dark (Expandir a Pesquisa)
j renal » j real (Expandir a Pesquisa), j renaldi (Expandir a Pesquisa), j renato (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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 renal nerve cyst due ) OR ( a ventral curve does dags ))) OR ( j bent nerve cyst due ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j renal nerve cyst due ) OR ( a ventral curve does dags ))) OR ( j bent nerve cyst due ))*.