Talvez deva tentar algumas variações de ortografia:
canals nerve » canal nerve (Expandir a Pesquisa), cells nerve (Expandir a Pesquisa), can nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve base » nerve based (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerves based (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
base does » base dos (Expandir a Pesquisa), base des (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
j canals » j canales (Expandir a Pesquisa), _ canals (Expandir a Pesquisa), j canas (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
i cent » i cento (Expandir a Pesquisa), ai cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa)
a die » _ die (Expandir a Pesquisa), a dia (Expandir a Pesquisa), a dye (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 canals nerve a die ) OR ( i cent nerve base does ))) OR ( j central nervous system dis ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j canals nerve a die ) OR ( i cent nerve base does ))) OR ( j central nervous system dis ))*.