Talvez deva tentar algumas variações de ortografia:
center nervous » cental nervous (Expandir a Pesquisa), letter nervous (Expandir a Pesquisa), central nervous (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
derived can » derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa), derived cao (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
can disc » can dinc (Expandir a Pesquisa), chain disc (Expandir a Pesquisa), can diet (Expandir a Pesquisa)
a center » a century (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
case di » case dti (Expandir a Pesquisa), case d (Expandir a Pesquisa), case de (Expandir a Pesquisa)
j host » j holst (Expandir a Pesquisa), j hoss (Expandir a Pesquisa), j holt (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j host derived can disc ) OR ( a center nervous system dis ))) OR ( j absent nerve case di ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j host derived can disc ) or ( a center nervous system dis ))) or ( j absent nerve case di ))*.