Talvez deva tentar algumas variações de ortografia:
cancer nurses » cancer nursing (Expandir a Pesquisa)
current curve » current survey (Expandir a Pesquisa), current care (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
benham nerve » benign nerve (Expandir a Pesquisa), bent nerve (Expandir a Pesquisa)
nurses cyst » nurses case (Expandir a Pesquisa), nurses cease (Expandir a Pesquisa), nurses count (Expandir a Pesquisa)
curve can » curves can (Expandir a Pesquisa), curve cone (Expandir a Pesquisa), curve a (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j benham » j burnham (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
can die » can diet (Expandir a Pesquisa), van die (Expandir a Pesquisa), aan die (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: (((( _ cancer nurses cyst dis ) or ( 2 current curve can die ))) or ( j benham nerve case dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ cancer nurses cyst dis ) OR ( 2 current curve can die ))) OR ( j benham nerve case dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ cancer nurses cyst dis ) or ( 2 current curve can die ))) or ( j benham nerve case dis ))*.