I just realize that I don't know the lyrics & have asked my parents but they don't remember it, since it was a long time ago. Since then we've just incorporated the english song into our culture. So what are the lyrics in viet? I know how to wish someone a happy birthday just don't know the song. Any help would do. I just realize that I don't know the lyrics & have asked my parents but they don't remember it, since it was a long time ago. Since then we've just incorporated the english song into our culture. So what are the lyrics in viet? I know how to wish someone a happy birthday just don't know the song. Any help would do. I also don't appreciate dumb answers that poke fun at Asian cultures. ALL Asians do not have the same language. Only ignorant people would have such a thinking. So please refrain from such matter! Thank you.