Talvez deva tentar algumas variações de ortografia:
delays nerve » delayed nerve (Expandir a Pesquisa), delays derived (Expandir a Pesquisa), delays neuron (Expandir a Pesquisa)
center nerve » cancer nerve (Expandir a Pesquisa), center nurse (Expandir a Pesquisa), letter nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
both nerve » both naive (Expandir a Pesquisa), fourth nerve (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j delays » 1 delays (Expandir a Pesquisa), 2 delays (Expandir a Pesquisa), 4 delays (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a dis » a dos (Expandir a Pesquisa), a des (Expandir a Pesquisa), a dia (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 center nerve case dis ) or ( i both nerve a dis ))) or ( j delays nerve system di ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a center nerve case dis ) OR ( i both nerve a dis ))) OR ( j delays nerve system di )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a center nerve case dis ) or ( i both nerve a dis ))) or ( j delays nerve system di ))*.