First, read the English article below.

Neighborhood Watches are often very successful in eliminating drug dealers from your neighborhood. They can help reduce criminal activity by creating an environment without opportunities for things like drug deals. However, it’s important to work with the police so that Watch members are properly trained and informed.  Post signs and publicize the presence of your Neighborhood Watch. Knowing that the area is under observation will often persuade dealers to move out of your neighborhood to an area that is less patrolled. Never attempt to apprehend a drug dealer yourself. This only creates a situation where people could be seriously harmed or even killed. ” Having your whole community work together will be much more efficient than if you try to take action yourself. Block clubs have historically had a significant impact on getting rid of neighborhood drug dealers.  Get together with neighbors and arrange for “positive loitering,” where members of the club do things like sweep the streets, pick up litter, and do other activities near where drugs are sold. The constant presence of people may dissuade drug dealers that operate in public places. Go to community meetings together. Many communities have safety training meetings, police meetings, and other events and activities where you can learn more about how to keep your neighborhood safe. If your neighborhood is rough, it may be safer to avoid having Neighborhood Watch or block club meetings in that area. Instead, look for a public location such as a church or community center, or even a small local business. Even meeting a few blocks away can provide more safety for your members. Definitely avoid having meetings at any one individual's house, as this could provide dealers with a target for revenge. Areas such as vacant lots are prime territory for drug dealers. Contact your local officials to see if lots can be turned into parks or playgrounds. Your community may even be able to pitch in to beautify an area. Eliminating potential dealing spots will help drive... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Thành lập tổ dân phòng. Lập tổ dân phố. Họp ở nơi an toàn để thảo luận. Hỏi các cơ quan chức năng về việc cải thiện môi trường. Liên lạc với chủ khu đất. Liên hệ với chính quyền thành phố để báo về các vấn đề môi trường. Tìm hiểu các chương trình bài trừ tệ nạn ma túy an toàn.