Birds in Vietnam with Rufescent Head

The birds in Vietnam with a rufescent head (or a rufous head, or a reddish brown head, or a chestnut head, or a brown head) could be:

1/ Rufous-headed parrotbill (Paradoxornis bakeri), 
or greater rufous-headed parrotbill

2/ Short-tailed parrotbill (Suthora davidiana)