1. Online search: Use search engines or education and training websites to search for "Thirteen Public Examination Courses for Peanuts" to find out the course details and purchase methods.
2. Consult a friend or classmate: If you know someone who has already attended a similar course, you can consult the purchasing experience and recommendation.
3. Direct contact with training institutions: If you know the training institutions offering this course, you can contact directly to understand the purchase method and course arrangement.