Talvez deva tentar algumas variações de ortografia:
ventura nieves » segura nieves (Expandir a Pesquisa), ventura alves (Expandir a Pesquisa)
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
a ventura » a venturi (Expandir a Pesquisa)
system d » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa), system des (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
nieves a » nieves e (Expandir a Pesquisa), nieves _ (Expandir a Pesquisa), nieves g (Expandir a Pesquisa)
d crest » de crest (Expandir a Pesquisa), du crest (Expandir a Pesquisa), _ crest (Expandir a Pesquisa)
a due » _ due (Expandir a Pesquisa), a dye (Expandir a Pesquisa), i due (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 nerve system d ) or ( d crest nerve cyst dis ))) or ( a ventura nieves a due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system d ) OR ( d crest nerve cyst dis ))) OR ( a ventura nieves a due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system d ) or ( d crest nerve cyst dis ))) or ( a ventura nieves a due ))*.