Talvez deva tentar algumas variações de ortografia:
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
begent nerve » segment nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), prevent nerve (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
ben nerve » when nerve (Expandir a Pesquisa), open nerve (Expandir a Pesquisa), non nerve (Expandir a Pesquisa)
canal dis » canal das (Expandir a Pesquisa), canal dir (Expandir a Pesquisa), canal dos (Expandir a Pesquisa)
j begent » j beena (Expandir a Pesquisa), j beene (Expandir a Pesquisa), j bent (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat bias (Expandir a Pesquisa)
_ ben » _ bed (Expandir a Pesquisa), _ bet (Expandir a Pesquisa), _ bee (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: (( _ bent nerve system dis ) or ((( j begent nerve cat dis ) or ( _ ben nerve canal dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ bent nerve system dis ) OR ((( j begent nerve cat dis ) OR ( _ ben nerve canal dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ bent nerve system dis ) or ((( j begent nerve cat dis ) or ( _ ben nerve canal dis ))))*.