Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
2 recurrent » a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa)
ben nerve » bent nerve (Expandir a Pesquisa), when nerve (Expandir a Pesquisa), open nerve (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cyst d » cyst _ (Expandir a Pesquisa), cyst a (Expandir a Pesquisa), cyst e (Expandir a Pesquisa)
j ben » _ ben (Expandir a Pesquisa), e ben (Expandir a Pesquisa), m ben (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 nerve cyst d ) or ((( j ben nerve case dis ) or ( j ben nerve system dias ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 recurrent nerve cyst d ) OR ((( j ben nerve case dis ) OR ( j ben nerve system dias )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 recurrent nerve cyst d ) or ((( j ben nerve case dis ) or ( j ben nerve system dias ))))*.