Hi Shin225268212er1,
Thanks for reaching out and sorry for the trouble.
Creative Cloud Express reads the iOS language setting, so if you want to search for something in other languages please consider changing the device language first.
Creative Cloud Express is available in the following languages: English, Chinese Simplified, Spanish, Japanese, German, French, Portuguese (Brazilian), Italian, Korean, Dutch, Chinese Traditional, Swedish, Norwegian, Danish, and Finnish.
Hope this helps.
Thanks,
Saquib