Hello @vuthihongnhung welcome to Steem. Steem is home to very rewarding applications, top of the list are partiko and Actifit.

You can start earning with partiko like I'm doing. First, download the app;
https://partiko.app/referral/akomoajong

You can equally start earning with actifit by installing the app and post your daily fitness level acquired. Download the app;

Android: http://bit.ly/2CLWDqT

iOS: http://bit.ly/actifit-ios

I will support you with 15 Steem Power for a week or more once you login to at least one of these applications

You can equally reach out to me for any help or assistance.

Yours,

Akomo Ajong

Actifit Ambassador

Partiko Promoter

Posted using Partiko Android