You shouldn't lost your identity how come you change your surname it's nothing wrong with your Vietnamese name I am so disappointed to see your surname,some of your views not represent all the Vietnamese we do have our culture and manners I believe some of our culture even better than the Taiwanese.your comments only 50/100 right.
Sorry, my English not very well, but U used English, so I'll use it too About my name, I don't really understand you mean, do you know if we live in Taiwan or China, we must to change the name to be Chinese??? and my last name is DƯƠNG, so in Chinese it will be changed to YANG (楊) The issues are mentioned in this video, if you have been to Taiwan, you can see it very prominent. I lived in 2 countries, I don't said my opinion is perfect, all be right, but I can feel the polite and safe in Taiwan better, this was real. Anyway this is my point, thank you for watched and have a nice day :)