Talvez deva tentar algumas variações de ortografia:
recurrent nerves » recurrent nerve (Expandir a Pesquisa), recipient nerves (Expandir a Pesquisa), recurrent graves (Expandir a Pesquisa)
letter nurse » letter nursing (Expandir a Pesquisa), letter name (Expandir a Pesquisa)
detect nerve » direct nerve (Expandir a Pesquisa), detect neural (Expandir a Pesquisa), detect novel (Expandir a Pesquisa)
j recurrent » a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa), 2 recurrent (Expandir a Pesquisa)
nerves cyst » nerve cyst (Expandir a Pesquisa), nerves system (Expandir a Pesquisa), nerves cross (Expandir a Pesquisa)
nurse care » nursing care (Expandir a Pesquisa)
care days » care says (Expandir a Pesquisa), care delays (Expandir a Pesquisa), care data (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
a letter » _ letter (Expandir a Pesquisa)
j detect » je detect (Expandir a Pesquisa), _ detect (Expandir a Pesquisa), 2 detect (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: (((( a letter nurse care days ) or ( j recurrent nerves cyst due ))) or ( j detect nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a letter nurse care days ) OR ( j recurrent nerves cyst due ))) OR ( j detect nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a letter nurse care days ) or ( j recurrent nerves cyst due ))) or ( j detect nerve cat due ))*.