First, read the English article below.

Tap the Facebook app icon, which resembles a white "f" on a dark-blue background. If you're signed into Facebook, the app will open to your News Feed. If you aren't already signed into Facebook, enter your email address and password before proceeding. It's in either the bottom-right corner of the screen (iPhone) or the top-right corner of the screen (Android). If you want to remove a post you made on someone else's page, instead type their name into the search bar at the top of the screen, tap your smartphone's "Search" button or key, and select the person's profile from the list of results. This option is at the top of the menu. Tapping it will take you to your profile page. You can delete any post that you or anyone else posted directly to you profile page.  If you're on another person's page, you can only delete a post that you made on their page. You can't delete posts from other people in which you are tagged, but you can remove them from your page. It's in the top-right corner of a post. Doing so opens a pop-up menu. You'll see this option in the pop-up menu. If you're removing your name from a tagged post, you'll instead tap Remove tag and then tap OK (or CONFIRM on Android) when prompted. Doing so will remove the post from your profile. Any likes, comments, or other media associated with the post will also be removed. 

Now, please write a short abstract for it in Vietnamese. Abstract:
Mở Facebook. Nhấn ☰. Nhấn vào tên bạn. Lướt xuống để tìm bài đăng bạn muốn xoá. Nhấn ⋯. Nhấn Delete. Nhấn Delete Post (Xóa bài viết) khi có thông báo.