Talvez deva tentar algumas variações de ortografia:
crespo derived » crest derived (Expandir a Pesquisa), cre derived (Expandir a Pesquisa), tempo derived (Expandir a Pesquisa)
affect neural » affects neural (Expandir a Pesquisa), affect neuronal (Expandir a Pesquisa), affect natural (Expandir a Pesquisa)
derived cat » derived cast (Expandir a Pesquisa), derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa)
neural cest » neural crest (Expandir a Pesquisa), neural cost (Expandir a Pesquisa), neural rest (Expandir a Pesquisa)
delta nerve » beta nerve (Expandir a Pesquisa), deltoid nerve (Expandir a Pesquisa), deltas served (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cat diets » fat diets (Expandir a Pesquisa), salt diets (Expandir a Pesquisa), cult diets (Expandir a Pesquisa)
a crespo » g crespo (Expandir a Pesquisa)
j affect » k affect (Expandir a Pesquisa), jaw affect (Expandir a Pesquisa), iq affect (Expandir a Pesquisa)
cest dis » chest dis (Expandir a Pesquisa), cest fisp (Expandir a Pesquisa), cest mrs (Expandir a Pesquisa)
cat dis » cat diet (Expandir a Pesquisa)
j delta » j della (Expandir a Pesquisa), j delton (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": "(( a crespo derived cat dis ) OR ((( j affect neural cest dis ) OR ( j delta nerve cat diets ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a crespo derived cat dis ) OR ((( j affect neural cest dis ) OR ( j delta nerve cat diets ))))*.