Talvez deva tentar algumas variações de ortografia:
recurrent nerves » recurrent nerve (Expandir a Pesquisa), recipient nerves (Expandir a Pesquisa), recurrent graves (Expandir a Pesquisa)
nerves system » nerve system (Expandir a Pesquisa), nerven system (Expandir a Pesquisa), nervous system (Expandir a Pesquisa)
2 recurrent » a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
dent nerve » bent nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa), dentin nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
beth drive » both drive (Expandir a Pesquisa), bet drive (Expandir a Pesquisa), death drive (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
j dent » j deng (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: (( 2 recurrent nerves system dis ) or ((( j dent nerve cyst due ) or ( j beth drive system de ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 recurrent nerves system dis ) OR ((( j dent nerve cyst due ) OR ( j beth drive system de )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 recurrent nerves system dis ) or ((( j dent nerve cyst due ) or ( j beth drive system de ))))*.