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 nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
deal nerve » dual nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa), dermal nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i absent » ii absent (Expandir a Pesquisa), _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
j deal » j dean (Expandir a Pesquisa), j dell (Expandir a Pesquisa), j deml (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 absent nerve system dcs ) OR ((( j deal nerve cat due ) OR ( a central nerve cat dis ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( i absent nerve system dcs ) OR ((( j deal nerve cat due ) OR ( a central nerve cat dis ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i absent nerve system dcs ) OR ((( j deal nerve cat due ) OR ( a central nerve cat dis ))))*.