Data displayed in wrong format when using adodb-php with sql server on ubuntu

Question

I have an old website running in php on windows, connected to sql-server through adodb library. The data saved to the DB is converted to the following form: TrÆ°Æ¡ng Thị Ãnh Tuyết, but when I select it, the data will display correctly as follows: Trương Thị Ánh Tuyết.

That website was working fine until I needed to switch to running on Ubuntu. It's still the same data, but when selected, it's still displayed as TrÆ°Æ¡ng Thị Ãnh Tuyết. Can you tell me the cause and how to fix it?

Here is the example code:

create database test
use [test]
create table users (name nvarchar(100))
insert into users (name) values ('TrÆ°Æ¡ng Thị Ãnh Tuyết')

<?php
ini_set('display_errors', 1);
include 'vendor/adodb/adodb-php/adodb.inc.php';
include 'vendor/adodb/adodb-php/adodb-errorhandler.inc.php';

$db = ADONewConnection('mssqlnative');
$db->connect('localhost,1433','sql','sql@12345','test');
$sql = "select top 1 name from users";
$array = $db->getAll($sql);
print_r($array[0][0]);exit;

output on windows: Trương Thị Ánh Tuyết

output on ubuntu: TrÆ°Æ¡ng Thị Ãnh Tuyết