and friendly. If you look anxious or grim when you open up a conversation, you’re going to put the other person on edge immediately. Even if you feel like a mess inside, try to look relaxed and friendly to put other people at ease. This will result in better, longer conversations.  Make eye contact. Instead of fiddling nervously with your phone, look around the room and observe the people. Make eye contact with people to see who else is looking for conversation. Smile whenever you make eye contact with people, even if you don't plan to talk them. It both gives you practice in non-verbal communication and raises the odds of someone being receptive to a conversation. Open up your body language. Throw your shoulders back, stick your chest out, and raise your chin. The more confident you look, the more people will want to talk to you. Don't cross your arms over your chest. People might interpret crossed arms to mean that you're closed off or uninterested in conversation. Others might find it strange if you start talking to them without giving any hints that you were going to approach them. Instead of walking up and starting a surprise conversation with the side of someone's head, ease into it nonverbally.  Make eye contact and give a smile to establish a connection before trying to start a conversation. You might want to get to know someone, but opening with deep conversation topics out of the blue might turn people off. If you're doing a cold-approach (not reacting to something you've both observed), start small. Instead of opening with a question about life goals, just make an observation or ask for a favor:  Man, the bar's slammed tonight. We'd better leave good tips! Traffic's a nightmare today! Do you know if there's an event in the neighborhood? Could you plug in my laptop cord for me? The outlet's behind you. Do you know what time it is? Once you've opened with your small interaction, you want to find out the other person's name. The best way to do that is simply to offer your own name. Etiquette will...

How would you rephrase that briefly using Vietnamese?
Tỏ ra dễ gần và thân thiện. Giao tiếp không lời trước khi bắt đầu nói chuyện với ai đó. Bắt đầu với những tương tác nhỏ. Tự giới thiệu. Đặt câu hỏi mở. Nhờ người khác giải thích điều gì đó cho bạn. Đừng ngại tỏ ra không tán thành. Bám vào các đề tài an toàn. Để cuộc trò chuyện diễn ra một cách tự nhiên.