According to their rankings, Huyen is predicted to come in at 10th in the overall list.
Elsewhere, Juliana Habib Lorduy of Colombia was selected as the favourite to be crowned the overall winner of the beauty contest, while Valentina Campion Capois of the Dominican Republic and Anna Baksheeva of Russia were picked for the first and second runner-up titles, respectively.
Rounding off the list of the top 15 contestants are the beauties from Venezuela, the Philippines, South Africa, Chile, Ukraine, Poland, Indonesia, Costa Rica, Mexico, Cambodia, and Argentina.
The first ever Miss Charm international beauty contest is currently underway in Ho Chi Minh City from February 3 to February 17.
The pageant attracts the participation of 38 contestants from across the world, with the ultimate winner set to receive a cash prize of US$100,000.
Vietnamese beauty Thanh Thanh Huyen stands at 1.70 metres tall and measures 85-61-89. She finished in the Top 15 of Miss Universe Vietnam 2015 and now works as an emcee.
The Khanh Hoa native is currently representing Vietnam to vie for the Miss Charm 2023 crown.