the most important punctuation mark dont work the "punt" or full stop in english comma and quesrion mar work but not the full stop and i am sure some others are failing in these languages .
This is in the plus version
There was an error in the voice command for punt. This will get fixed in the next release, sorry :/
Since you have Plus, you can define your own voice commands too.
Go to Voice In Options Page.
Go to the Voice Command Section and add your voice commands :)