Software engineer looking for Mcd, Dmart any kinda temporary job

I'll be flying away in September for my masters and I have resigned from my current company. I've got three months left and I thought I could work at any food chain, handling, counter jobs.

But the thing is I have gone through the websites and job portals, none of them have shown any openings.

Any of you know how to apply to these jobs and if you know any other jobs too then please let me know.

Thanks!

tl;dr : got 3 months before masters and have free time, looking for some small jobs but couldn't find any online.