Hi Khoa, this is working as expected - special characters have a higher sorting order priority. You can define custom sort orders on an attribute through changes to the logical data model. Please see the below doc which will help you with this:
https://help.gooddata.com/pages/viewpage.action?pageId=86796036
k
Khoa Nguyen
09/15/2021, 11:25 PM
Thank @Michael Ullock for your information so much 👍