How to replace unicode in string

[ptrobot]

An alternative solution:

text = "Tổng cộng"
normalText = String.Join("", text.Normalize(System.Text.NormalizationForm.FormD).ToCharArray().Where(Function(c) System.Globalization.CharUnicodeInfo.GetUnicodeCategory(c) <> System.Globalization.UnicodeCategory.NonSpacingMark).ToArray)