What can I do now?

I have a google blog, I mean blogspot.com. It is on the English learning of secondary and higher secondary level of my own country. I have about 50 to 150 page visitors per day. I have applied for google adsense three times but been rejected on the ground of content. So what can I do now? Is there any alternatives to earn money using these blog? Here is the link to my Blog: Study at Home Bangladesh