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 nerve » renal nerve (Expandir a Pesquisa), senal merve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
nerven can » nerves can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), heaven can (Expandir a Pesquisa)
nerve can » merve can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cn (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)
i senal » i sena (Expandir a Pesquisa), i segnali (Expandir a Pesquisa), i seminal (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can 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: (((( i senal nerve can dis ) or ( i central nerven can dis ))) or ( _ ventral nerve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i senal nerve can dis ) OR ( i central nerven can dis ))) OR ( _ ventral nerve system di ))*.