Talvez deva tentar algumas variações de ortografia:
ventral nervous » central nervous (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), viral nervous (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
real nerve » renal nerve (Expandir a Pesquisa), reveal nerve (Expandir a Pesquisa), oral nerve (Expandir a Pesquisa)
system dan » system data (Expandir a Pesquisa), system dias (Expandir a Pesquisa), system der (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve a (Expandir a Pesquisa), nerve c (Expandir a Pesquisa)
1 ventral » i ventral (Expandir a Pesquisa), da1 ventral (Expandir a Pesquisa), 1 venereal (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cat dis » cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
j real » j read (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (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 real nerve cat dis ) OR ( i cent nerve case dis ))) OR ( 1 ventral nervous system dan ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j real nerve cat dis ) OR ( i cent nerve case dis ))) OR ( 1 ventral nervous system dan ))*.