Settings do matching on the name and keywords, not sure why "sound" is matching the online account, but it's normal that "at" matches things like "updates" which contains the substring ... why do you consider that as a bug?
Settings do matching on the name and keywords, not sure why "sound" is matching the online account, but it's normal that "at" matches things like "updates" which contains the substring ... why do you consider that as a bug?