Error when parse time

For example, when user type "8h sáng nay", wit will recognize as

[{"body":"8h","start":0,"value":{"value":8,"hour":8,"type":"value","unit":"hour","normalized":{"value":28800,"unit":"second"}},"end":2,"dim":"duration","latent":false},{"body":"sáng nay","start":3,"value":{"values":[{"to":{"value":"2019-06-17T12:00:00.000-07:00","grain":"hour"},"from":{"value":"2019-06-17T04:00:00.000-07:00","grain":"hour"},"type":"interval"}],"to":{"value":"2019-06-17T12:00:00.000-07:00","grain":"hour"},"from":{"value":"2019-06-17T04:00:00.000-07:00","grain":"hour"},"type":"interval"},"end":11,"dim":"time","latent":false}]

in Vietnamse doesn't mean it.
i want it working as "8 giờ sáng nay" . result as

[{"body":"8 giờ sáng nay","start":0,"value":{"values":[{"value":"2019-06-18T08:00:00.000-07:00","grain":"hour","type":"value"}],"value":"2019-06-18T08:00:00.000-07:00","grain":"hour","type":"value"},"end":15,"dim":"time","latent":false}]

please help me