Talvez deva tentar algumas variações de ortografia:
hemi central » ischemic central (Expandir a Pesquisa), coli central (Expandir a Pesquisa), i central (Expandir a Pesquisa)
redett nerve » recent nerve (Expandir a Pesquisa), rodent nerve (Expandir a Pesquisa), prevent nerve (Expandir a Pesquisa)
nepal cost » nepal costs (Expandir a Pesquisa), nepal post (Expandir a Pesquisa), nepal 1st (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)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j redett » j repeta (Expandir a Pesquisa)
cost dis » cost does (Expandir a Pesquisa), chest dis (Expandir a Pesquisa), cost diet (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (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 redett nerve can dcs ) OR ( hemi central nepal cost dis ))) OR ( j bent nerve cyst dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j redett nerve can dcs ) OR ( hemi central nepal cost dis ))) OR ( j bent nerve cyst dis ))*.