Talvez deva tentar algumas variações de ortografia:
mental nervous » cental nervous (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), ventral nervous (Expandir a Pesquisa)
recent nerve » prevent nerve (Expandir a Pesquisa), rodent nerve (Expandir a Pesquisa), recurrent nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
canal dis » canal das (Expandir a Pesquisa), canal dir (Expandir a Pesquisa), canal dos (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j recent » j redett (Expandir a Pesquisa)
i recent » ii recent (Expandir a Pesquisa), 3 recent (Expandir a Pesquisa), 1 recent (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j recent nerve canal dis ) or ( i recent nerve cat dis ))) or ( j mental nervous system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j recent nerve canal dis ) OR ( i recent nerve cat dis ))) OR ( j mental nervous system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j recent nerve canal dis ) or ( i recent nerve cat dis ))) or ( j mental nervous system dis ))*.