Talvez deva tentar algumas variações de ortografia:
benigno nerve » benign nerve (Expandir a Pesquisa), benigno leyva (Expandir a Pesquisa), benign nevi (Expandir a Pesquisa)
durand herve » degand herve (Expandir a Pesquisa), durand eric (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
herve can » nerve can (Expandir a Pesquisa), merve can (Expandir a Pesquisa), herve canut (Expandir a Pesquisa)
j benigno » a benigno (Expandir a Pesquisa), c benigno (Expandir a Pesquisa), _ benigno (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
r durand » r duran (Expandir a Pesquisa), _ durand (Expandir a Pesquisa), a durand (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (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 bent nerve cyst dis ) OR ( r durand herve can dcs ))) OR ( j benigno nerve cyst dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j bent nerve cyst dis ) OR ( r durand herve can dcs ))) OR ( j benigno nerve cyst dis ))*.