Talvez deva tentar algumas variações de ortografia:
ventral nerve » femoral nerve (Expandir a Pesquisa)
mengual nerve » lingual nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), lingual nerves (Expandir a Pesquisa)
letter nerve » letter nurse (Expandir a Pesquisa), matter nerve (Expandir a Pesquisa), letter nervous (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
canal dis » canal das (Expandir a Pesquisa), canal dir (Expandir a Pesquisa), canal dos (Expandir a Pesquisa)
i ventral » _ ventral (Expandir a Pesquisa), a ventral (Expandir a Pesquisa), 2 ventral (Expandir a Pesquisa)
j mengual » j amengual (Expandir a Pesquisa), m mengual (Expandir a Pesquisa), e mengual (Expandir a Pesquisa)
j letter » bj letter (Expandir a Pesquisa), cj letter (Expandir a Pesquisa), j letters (Expandir a Pesquisa)
nerve cn » nerve can (Expandir a Pesquisa), nerve c (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa)
system d » system de (Expandir a Pesquisa), system der (Expandir a Pesquisa), system des (Expandir a Pesquisa)
cn dis » en dis (Expandir a Pesquisa), nn dis (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 letter nerve canal dis ) or ( i ventral nerve cn dis ))) or ( j mengual nerve system d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j letter nerve canal dis ) OR ( i ventral nerve cn dis ))) OR ( j mengual nerve system d )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j letter nerve canal dis ) or ( i ventral nerve cn dis ))) or ( j mengual nerve system d ))*.