I want to find websites like speak asia from which I can earn
There're a number of authentic websites that provides work for pay depending on the specific skills that you have. One good example would be http://www.vworker.com/?blnDidRacRedirectToVworker_RequestParm=true that seeks people with skills in coding and web designing.
Take a course from a school or tutor. Very difficult to learn any language on-line. Need a verbal exchange.