1. Online courses: You can search for related online courses on some online learning platforms, which may provide the teaching content of Zhang Sanfeng's "Four Ways of Magical Effects".
2. Video Tutorial: You can search for relevant video tutorials on the video sharing website, which may provide the teaching content of Zhang Sanfeng's Four Wonders.
3. Books: You can read related books, which may contain the contents of the four wonders of Zhang Sanfeng.
4. Personal Tutor: If you want to study Zhang Sanfeng's four wonderful books in depth, you can consider finding a personal tutor, who may provide more personalized guidance.
It should be noted that Taoist culture is a traditional culture, and we should maintain awe and respect in the learning process. At the same time, if you want to apply Zhang Sanfeng's four methods to practice, you need to have certain professional knowledge and skills.