Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
cancer nurses » cancer nursing (Expandir a Pesquisa)
nurses cyst » nurses case (Expandir a Pesquisa), nurses cease (Expandir a Pesquisa), nurses cross (Expandir a Pesquisa)
benign neck » benign nevi (Expandir a Pesquisa)
i ventral » _ ventral (Expandir a Pesquisa), i ventura (Expandir a Pesquisa), mice ventral (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
neck cyst » neck ct (Expandir a Pesquisa), neck case (Expandir a Pesquisa)
j cancer » j canter (Expandir a Pesquisa), j cantero (Expandir a Pesquisa), j candel (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), i benign (Expandir a Pesquisa), ii benign (Expandir a Pesquisa)
can dce » can de (Expandir a Pesquisa), can dcs (Expandir a Pesquisa), can dance (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 cancer nurses cyst dis ) OR ( i ventral nerve can dce ))) OR ( j benign neck cyst dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cancer nurses cyst dis ) OR ( i ventral nerve can dce ))) OR ( j benign neck cyst dis ))*.