Hi Winsaudi,   Thank you for the reply :-) Yes I'm using the right syntax you described in your post.  I'm really starting to believe the issue has some other cause aside from VR.  Even difficult phrases can usually be recognized some of the time but the taxi via commands have never been recognized - not even one time.  Oddly other taxing related instructions work fine.  i.e the exit via taxiway and intersection takeoff instructions never have any problems.  I have completed the items