Talvez deva tentar algumas variações de ortografia:
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
system due » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
rat nerve » cat nerves (Expandir a Pesquisa)
neal merv » neal mark (Expandir a Pesquisa)
merv can » merve can (Expandir a Pesquisa), erv can (Expandir a Pesquisa)
can die » can diet (Expandir a Pesquisa), van die (Expandir a Pesquisa), aan die (Expandir a Pesquisa)
a cent » a cena (Expandir a Pesquisa), a cenp (Expandir a Pesquisa), a center (Expandir a Pesquisa)
j neal » a neal (Expandir a Pesquisa), j neil (Expandir a Pesquisa), j neel (Expandir a Pesquisa)
a rat » _ rat (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 cent nerve system due ) or ( a rat nerve system dis ))) or ( j neal merv can die ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a cent nerve system due ) OR ( a rat nerve system dis ))) OR ( j neal merv can die )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a cent nerve system due ) or ( a rat nerve system dis ))) or ( j neal merv can die ))*.