Missing Controller

Error: Kien-thuc-chungController could not be found.

Error: Create the class Kien-thuc-chungController below in file: support/controllers/kien-thuc-chung_controller.php

<?php
class Kien-thuc-chungController extends AppController {

	var $name = 'Kien-thuc-chung';
}
?>

Notice: If you want to customize this error message, create support/views/errors/missing_controller.ctp