Talvez deva tentar algumas variações de ortografia:
ventral reserve » central reserve (Expandir a Pesquisa), federal reserve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa)
reserve system » research system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
nerve pause » nerve cause (Expandir a Pesquisa), nerve caused (Expandir a Pesquisa), nerve palsy (Expandir a Pesquisa)
cent nerve » recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
pause does » cause does (Expandir a Pesquisa), use does (Expandir a Pesquisa), mouse does (Expandir a Pesquisa)
a ventral » _ ventral (Expandir a Pesquisa), a ventura (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
j cent » a cent (Expandir a Pesquisa), i cent (Expandir a Pesquisa), j center (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": "(((( j cent nerve cyst dis ) OR ( a ventral reserve system di ))) OR ( j bent nerve pause does ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j cent nerve cyst dis ) OR ( a ventral reserve system di ))) OR ( j bent nerve pause does ))*.