Is there a direct bus from Fenghuang to Hongjiang or Qiancheng ?

Well, there is no direct bus.
You need to get to Huaihua from Fenghuang first.
Then take coach at Huaihua South Bus Station, and get to Hongjiang directly. The bus schedules are 06:00~18:30 with the frequency of around 20 mins.

From Huaihua to Qiancheng, the schedules are 06:30~18:30 with the interval of around 25 minutes.