1.AdobePremiereProCC tutorial: Adobe provides free tutorials covering everything from basic knowledge to advanced skills. This course includes video editing, audio processing, special effects addition and other aspects of teaching.

2.Final Cut Pro tutorial: A free tutorial provided by Apple, which is suitable for users who use Final Cut Pro for video editing. This tutorial introduces various functions and operation methods of FinalCutProX in detail.

3.Filmora tutorial: a free tutorial provided by Wondershare Company, suitable for beginners and intermediate users. This course includes video editing, special effects addition, audio processing and other teaching contents.

4.Lynda. com:Lynda.com is a platform that provides various online learning courses, including many courses on video editing and special effects. These courses are taught by professional lecturers, covering everything from basic knowledge to advanced skills.

5.Udemy: Udemy is another platform that provides various online learning courses, including many video clips and special effects courses. These courses are taught by professional lecturers, covering everything from basic knowledge to advanced skills.

The above are some high-quality course recommendations for online learning video clips and special effects. You can choose the course that suits you according to your own needs and interests.