The from of -vo' refers only to physical motion away from something. It doesn't refer to removing things from the possession of something else. Although the things you steal do move away from the bank, it's not the stealing that is happening from the bank.
beylI'Daq nIH vongwI' po'
The skilled hypnotist steals at the bank This says that the skilled hypnotist performs stealing, and the stealing happened at the bank.
beylI'Daq Huch nIH vongwI' po' 'ej beylI'vo' 'uch
The skilled hypnotist steals money at the bank and carries it away
(Literally, The skilled hypnotist steals money at the bank and carries it from the bank.)
It doesn't seem worth it to switch to nIH when Hej works so much better.
beylI' Hej vongwI' po' 'ej Huch nIH
The skilled hypnotist robs the bank and steals money.