Talvez deva tentar algumas variações de ortografia:
current curve » current survey (Expandir a Pesquisa), current care (Expandir a Pesquisa), current surveys (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa), current service (Expandir a Pesquisa)
curve cyst » curve cost (Expandir a Pesquisa), nerve cyst (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( 19 current curve cyst dis ) OR ( 2 current nerve cat dis ))) OR ( j bent nerve case dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( 19 current curve cyst dis ) OR ( 2 current nerve cat dis ))) OR ( j bent nerve case dis ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 19 current curve cyst dis ) OR ( 2 current nerve cat dis ))) OR ( j bent nerve case dis ))*.