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 merve » absent nerve (Expandir a Pesquisa), absent gene (Expandir a Pesquisa), absent eye (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve brain » nerve pain (Expandir a Pesquisa), nerve branch (Expandir a Pesquisa), native brain (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), 1 absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
can dig » can ding (Expandir a Pesquisa), can die (Expandir a Pesquisa), can diet (Expandir a Pesquisa)
a dijk » v dijk (Expandir a Pesquisa), f dijk (Expandir a Pesquisa), h dijk (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: (((( _ crest nerve brain due ) OR ( j central nerve a dijk ))) OR ( j absent merve can dig ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ crest nerve brain due ) or ( j central nerve a dijk ))) or ( j absent merve can dig ))*.