Talvez deva tentar algumas variações de ortografia:
central nerven » central nerve (Expandir a Pesquisa), central nerves (Expandir a Pesquisa), central server (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
senal merve » senol merve (Expandir a Pesquisa), meral merve (Expandir a Pesquisa), sena herve (Expandir a Pesquisa)
nerven can » nerve can (Expandir a Pesquisa), nerves can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
can disc » can dinc (Expandir a Pesquisa), chain disc (Expandir a Pesquisa), can diet (Expandir a Pesquisa)
i senal » i sena (Expandir a Pesquisa), i segnali (Expandir a Pesquisa), i seminal (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: (((( i senal merve can disc ) or ( i central nerven can disc ))) or ( _ ventral nerve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i senal merve can disc ) OR ( i central nerven can disc ))) OR ( _ ventral nerve system di ))*.