Talvez deva tentar algumas variações de ortografia:
crest derived » host derived (Expandir a Pesquisa)
spinal nerve » retinal nerve (Expandir a Pesquisa)
derived cut » derived cupt (Expandir a Pesquisa), derived cu (Expandir a Pesquisa), derived cat (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j spinal » j spina (Expandir a Pesquisa), j spinar (Expandir a Pesquisa), j spittal (Expandir a Pesquisa)
cut dis » cut disk (Expandir a Pesquisa), cut discs (Expandir a Pesquisa), cut dian (Expandir a Pesquisa)
can die » can diet (Expandir a Pesquisa), van die (Expandir a Pesquisa), aan die (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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": "(( _ crest derived cut dis ) OR ((( j bent nerve case dis ) OR ( j spinal nerve can die ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ crest derived cut dis ) OR ((( j bent nerve case dis ) OR ( j spinal nerve can die ))))*.