Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
current nerve » recurrent nerve (Expandir a Pesquisa), current curve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa)
benitez nerve » benitez narvaez (Expandir a Pesquisa), benitez nuria (Expandir a Pesquisa), benitez nara (Expandir a Pesquisa)
nerve cyst » nerve system (Expandir a Pesquisa)
j current » j currently (Expandir a Pesquisa), j curran (Expandir a Pesquisa), j currell (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
j benitez » a benitez (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
case dti » case data (Expandir a Pesquisa), based dti (Expandir a Pesquisa), case due (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (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 current nerve cyst dis ) OR ( i central nerve case dti ))) OR ( j benitez nerve cat dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j current nerve cyst dis ) OR ( i central nerve case dti ))) OR ( j benitez nerve cat dis ))*.