The search function work perfectly for English character, however it doesn't seem to return search result for non-latin character (Chinese character in my case). And it doesn't work in the Admin Search as well.
What is the problem? I am using Runway 3, MySQL 5.7.26, (Collation utf8_general_ci for the table). The Chinese content display perfectly on my site, it just the search return no result if I input Chinese text.