Yo! my name is angel.
I've read your project "Thiết kế UI/UX cho ứng dụng web site và mobile" brief . I'm an experienced graphic designer with an excellent background of Thiết kế đồ họa, CSS, Thiết kế logo, Illustrator and Photoshop. We can discuss more details on chat.
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Please see my works here-
https://www.freelancer.com/u/AngelDezines
I will start the work instantly, by giving initial designs and will deliver the final files you want in less than 1 day.
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I'm really interested in this project and like to discuss more about the project. Please drop a message if you are interested in working with me.
Thanks
Angel Dezines