Get part-time jobs if regular one is not suitable for you. Website like below can help you to find a suitable one to earn money:
☀www.freelancer.com The two are very famous one, I am sure you can find websites like this kind.
And also, nowadays, there are lots of Apps which can help to earn money, just go and google them in google play. Apps like : https://play.google.com/store/apps/details?id=com.geteverybody.makemoney.makemoney