Talvez deva tentar algumas variações de ortografia:
central neuron » central neurons (Expandir a Pesquisa), central neurones (Expandir a Pesquisa), central neuronal (Expandir a Pesquisa)
neuron system » neural systems (Expandir a Pesquisa)
system des » system der (Expandir a Pesquisa), system de (Expandir a Pesquisa), system design (Expandir a Pesquisa)
cent nerve » recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve what » curve what (Expandir a Pesquisa), nerve wrap (Expandir a Pesquisa), leave what (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
what did » what do (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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: (((( j central neuron system des ) or ( i cent nerve what did ))) or ( j bent nerve what did ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central neuron system des ) OR ( i cent nerve what did ))) OR ( j bent nerve what did )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central neuron system des ) or ( i cent nerve what did ))) or ( j bent nerve what did ))*.