Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
absent native » present native (Expandir a Pesquisa), absent nails (Expandir a Pesquisa), absent nerve (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)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
native a » native ant (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a dia » a dna (Expandir a Pesquisa), o 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: (((( j central nerve system dcs ) or ( i crest nerve a dia ))) or ( j absent native a dia ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j central nerve system dcs ) OR ( i crest nerve a dia ))) OR ( j absent native a dia )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j central nerve system dcs ) or ( i crest nerve a dia ))) or ( j absent native a dia ))*.