Working in ÌÇÐÄvlog¹ÙÍø as a student is only possible if you apply for a work permit; otherwise international students can take up solely on-campus jobs.
Applying for a work permit is of course very possible yet as you have to require allowance from the University or the educational institution you are enrolled in automatically, the working hours will be reduced due to the importance of your performance as a student as well as the range of jobs might be limited.
However, when applying for the residency you have to show that you are able to pay for the University fees, living costs and additional costs without considering the wage of your part time employment in ÌÇÐÄvlog¹ÙÍø.