Talvez deva tentar algumas variações de ortografia:
mental nervous » cental nervous (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), ventral nervous (Expandir a Pesquisa)
canal nerve » cranial nerve (Expandir a Pesquisa), clonal nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
j canal » j canals (Expandir a Pesquisa), j candal (Expandir a Pesquisa), j canas (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
ai cent » i cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa), ai centri (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: (((( j canal nerve can dis ) OR ( ai cent nerve case does ))) OR ( j mental nervous system dias ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j canal nerve can dis ) or ( ai cent nerve case does ))) or ( j mental nervous system dias ))*.