Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve coast » nerve cyst (Expandir a Pesquisa), nerve mast (Expandir a Pesquisa), nerve contact (Expandir a Pesquisa)
beth nerve » beta nerve (Expandir a Pesquisa), both nerve (Expandir a Pesquisa), both nerves (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
coast did » coast air (Expandir a Pesquisa), coast de (Expandir a Pesquisa), coast big (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (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: (((( i central nerve cat dis ) OR ( i crest nerve coast did ))) OR ( j beth nerve case dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( i central nerve cat dis ) OR ( i crest nerve coast did ))) OR ( j beth nerve case dis ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i central nerve cat dis ) OR ( i crest nerve coast did ))) OR ( j beth nerve case dis ))*.