Talvez deva tentar algumas variações de ortografia:
reveal nerve » reveals nerve (Expandir a Pesquisa), reveal neural (Expandir a Pesquisa), reveal native (Expandir a Pesquisa)
current care » current cancer (Expandir a Pesquisa), current clamp (Expandir a Pesquisa)
than direct » can direct (Expandir a Pesquisa)
nerve than » nervosa than (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
i reveal » i reveals (Expandir a Pesquisa), i revealed (Expandir a Pesquisa), i real (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (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": "(((( i reveal nerve than direct ) OR ( i current care system dis ))) OR ( j bent nerve case dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i reveal nerve than direct ) OR ( i current care system dis ))) OR ( j bent nerve case dis ))*.