First, read the English article below.

Remember the most embarrassing moments in your life so far, the monumental stuff-ups, the times you refused to make changes, the breakdowns in communications that you played a major part in, and maybe even the time you tried to be funny around your friends and only crickets chirped. These things can be hilarious. Telling other people about very embarrassing moments in your life is a great way to get them to laugh. Take a page from famous improv comic Colin Mochrie, who said: "He had the kind of face only a mother could love, if that mother was blind in one eye and had that kind of milky film over the other... but still, he was my identical twin." Tell self-depreciating jokes rather than making jokes at the expense of others. More people will be more willing to laugh. Rodney Dangerfield made fun of both his sanity and his looks with this one: "I went to the psychiatrist, and he says 'You're crazy.' I tell him I want a second opinion. He says, 'Okay, you're ugly too!'"  Redd Foxx had this to say about his silly devotion to drugs and alcohol: "I feel sorry for people who don’t drink or do drugs. Because someday they’re going to be in a hospital bed, dying, and they won’t know why." A great joke from Henry Youngman: "I was so ugly when I was born, the doctor slapped my mother." Different things make different people laugh. Some people find that sensationalism causes them to laugh; others find that satire does the trick. Learn which is which, and deliver your jokes and anecdotes so that they apply to many different categories of humor and emotion at once.  Not everyone knows what it's like to ride in a helicopter or be a millionaire or have a baby. But most people know what it's like to go fast, fantasize about money, and love another person deeply. So make your jokes cover more ground by utilizing really basic, but profound, human emotions. When you're in a group of people you don't know, listen to what subjects they're talking about and what's making them laugh. Are they the witty banter type? The slapstick, or... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Không nên quá nghiêm khắc với bản thân Hãy tự đặt mình dưới ánh đèn sân khấu. Tìm hiểu về đối tượng mà bạn muốn gây cười. Đánh lừa tâm trí. Tận dụng cơ hội gây cười. Nhận biết các thời điểm không phù hợp để bạn tỏ vẻ hài hước. Chú ý quan sát. Ghi nhớ một vài câu nói đùa ngắn.