Talvez deva tentar algumas variações de ortografia:
delays nerve » delayed nerve (Expandir a Pesquisa), delays derived (Expandir a Pesquisa), delays new (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
crest nerve » treat nerve (Expandir a Pesquisa), crest derived (Expandir a Pesquisa), current nerve (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa)
system das » system dias (Expandir a Pesquisa), systems das (Expandir a Pesquisa), system des (Expandir a Pesquisa)
ii mental » ii metal (Expandir a Pesquisa), vi mental (Expandir a Pesquisa), mini mental (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j delays » _ delays (Expandir a Pesquisa), 1 delays (Expandir a Pesquisa), 2 delays (Expandir a Pesquisa)
a crest » _ crest (Expandir a Pesquisa), a creusot (Expandir a Pesquisa), a crespo (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a crest nerve cyst dis ) OR ( ii mental nerve case dis ))) OR ( j delays nerve system das ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a crest nerve cyst dis ) or ( ii mental nerve case dis ))) or ( j delays nerve system das ))*.