Talvez deva tentar algumas variações de ortografia:
crest derived » host derived (Expandir a Pesquisa)
delton nerve » deltoid nerve (Expandir a Pesquisa), tendon nerve (Expandir a Pesquisa), delays nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), reserve system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
derived cat » derived cast (Expandir a Pesquisa), derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), beta nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system di (Expandir a Pesquisa), system das (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cat diet » cat diets (Expandir a Pesquisa), fat diet (Expandir a Pesquisa), eat diet (Expandir a Pesquisa)
a crest » _ crest (Expandir a Pesquisa), a creusot (Expandir a Pesquisa), a crespo (Expandir a Pesquisa)
cat dis » cat diets (Expandir a Pesquisa)
i bent » i benth (Expandir a Pesquisa), i benet (Expandir a Pesquisa), i bento (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: (((( a crest derived cat dis ) OR ( i bent nerve cat diet ))) OR ( j delton nerve system dis ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( a crest derived cat dis ) OR ( i bent nerve cat diet ))) OR ( j delton nerve system dis ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a crest derived cat dis ) OR ( i bent nerve cat diet ))) OR ( j delton nerve system dis ))*.