While being interesting can mean talking about yourself, it also means that you show interest in other people. Ask about the person's children, or ask for details about his recent vacation. Make the other person comfortable in your presence by making yourself easy to talk to. Don't let a conversation die out by failing to show adequate interest. Keep a conversation going by continuing to ask questions. This shows that you are listening and are invested in what the other person has to say. Ask open-ended questions in the conversation. These types of questions encourage the other person to talk at length, rather than give a yes-or-no answer to your question. A person is interesting often because he is interesting to listen to. No matter the subject, he can tell a good story. He relates funny details, engages the audience, and stays focused on the topic at hand. A great story that you're telling to someone else has certain elements just like books or movies. A great story has compelling characters, relevant details, a conflict, a turning point, and even a surprising ending. Even if the story is short, think about how you can structure the story to be fascinating to the listener. Oftentimes, you can be an interesting person simply by allowing those around you to say what's on their mind without interrupting or imposing any sort of moral judgment. While this might sound easy, it can actually be a particularly difficult thing. This is especially true if you're used to saying exactly what's on your mind without pause for concern. Active listening means that you are following along actively with what another person is saying without forcing your own ideas and thought into the conversation.  Active listening also means that you remain attentive to what's being conveyed without necessarily trying to think forward towards what you want to say next. Next time somebody is trying to tell you a story, try simply letting them speak for as long as they feel compelled to do so, all the while allowing yourself to be affected by...

TL;DR in Vietnamese:
Hiểu rõ điều mà người khác thích nghe. Đặt câu hỏi. Tìm hiểu về cách để trở thành người giỏi kể chuyện. Trở thành người biết lắng nghe một cách tích cực. Sử dụng ngôn ngữ cơ thể tự tin.