Talvez deva tentar algumas variações de ortografia:
recurrent nerves » recurrent nerve (Expandir a Pesquisa), recipient nerves (Expandir a Pesquisa), recurrent graves (Expandir a Pesquisa)
nerves system » nerve system (Expandir a Pesquisa), nerven system (Expandir a Pesquisa), nervous system (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
i recurrent » ii recurrent (Expandir a Pesquisa), _ recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa)
nerve than » nervosa than (Expandir a Pesquisa)
deal nerve » dual nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa), dermal nerve (Expandir a Pesquisa)
than diet » than direct (Expandir a Pesquisa), can diet (Expandir a Pesquisa), than deep (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
i crest » i crestr (Expandir a Pesquisa), _ crest (Expandir a Pesquisa), a crest (Expandir a Pesquisa)
case de » case due (Expandir a Pesquisa), case d (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.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( i crest nerve than diet ) OR ( i recurrent nerves system di ))) OR ( j deal nerve case de ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i crest nerve than diet ) OR ( i recurrent nerves system di ))) OR ( j deal nerve case de ))*.