Trigger words: NGUYENLADY (if you need to push it more you can add "illustration of" or "portraint painting" to your prompt too)
Supported keywords:
look at the viewer, close up/upper body/full body
long dress, white halterneck, pattern dress, tradition dress
hair ornament, jewelry, necklace, braclet, earrings
white/yellow/pink/red .. flower, flower background, floral print, yellow/blue .. blackground, simple background
..
You can use the Weight of 0.5 to 1.5 but on XL it works just fine with the weight of 1.0 with most cases