Open the wp-config.php or etc/wordpress/<site>.php file in a text editor such as notepad and fiddle around with this settings:
define('DB_CHARSET', 'utf8'); 
define('DB_COLLATE', '');Open the wp-config.php or etc/wordpress/<site>.php file in a text editor such as notepad and fiddle around with this settings:
define('DB_CHARSET', 'utf8'); 
define('DB_COLLATE', '');