First, read the English article below.

Avoid generic texts like “Hey,” “What’s up?” or “What are you doing?” since they’re not ideal for starting conversations. Instead, try to personalize the texts to your crush. This will make you stand out in a positive way and shows that you're interested in them as an individual.  Try referring to the last conversation you had with them. For example, if they mentioned a big test or work project, ask them how it went. Talk about their interests. If you know your crush is a fan of a specific band, ask about their new album. If they have a favorite sports team, talk about a recent game. Use your texts to show your crush that you’re fun to be around. Keep the conversation focused on pleasant topics, and don’t be afraid to send a joke or two. Remember that comedy and sarcasm can be hard to decipher in texts, so make it clear when you’re joking by using an emoji or a phrase like “lol” or “haha.” Unless you know your crush enjoys them, you should probably avoid crass jokes. Even if you don’t intend to, crude jokes or comments might make your crush uncomfortable or nervous. You don’t need to write out an elaborate paragraph when texting. However, people are more likely to say yes to a date if your message has good spelling and grammar. Doublecheck your message before you send it to make sure there are no obvious mistakes. If you haven’t heard back from your crush, don’t bombard them with texts. They may be busy or trying to decide what to say, and a bunch of texts can be overwhelming. If you haven’t heard back in a day or two, you can try sending another message to see if they respond. If they still haven’t answered, they may not be interested. You don’t want to overwhelm your crush, so show a similar level of enthusiasm. Sending three long texts back for every short text they send will make you seem overly eager. Instead, try to match your message lengths to theirs. 

Now, please write a short abstract for it in Vietnamese. Abstract:
Gửi tin nhắn mang tính cá nhân. Tán gẫu về những điều vui vẻ. Sử dụng đúng chính tả và ngữ pháp. Cho người ấy thời gian để phản hồi. Gửi tin nhắn có nội dung dài bằng tin nhắn của người ấy.