The application process is very lengthy, a lot of details need to be input. Try to include as many relevant certificates as you can in addition to your job experience. Be sure to mention any volunteering experience that you've had.

I was able to pass the document screening for foreign students twice. However, in the next step you will have to take the GSAT which is extremely difficult especially because of the limited time. I do not have a strong background with maths so I did not do well!