You can! You just have to switch your visa from "International Student" to "Designated Activities (for continued job-seeking activities)," and you have an extra 6 months after you graduate. You can request for another 6 month extension once. Total up to a full year! If you have any concerns about your job hunting experience, sign up with Wa.Sa.Bi here! There is a lot of detailed information for a successful job-hunting experience!