It could be the ads placement. I have AdBlocker installed and the menu bar at the bottom of my browser has been closed a few days ago, so I can't view the page and review the ads placement. It's best for you to check this out or judge if your ad placement is noticeable by the visitor.
Besides that, it's the visitor's choice whether to click an ad or not. If they don't think it's relevant or what they were searching for, they most likely will not click it. So, all that I can suggest to you, is to keep writing and publishing useful content and maybe sometime in the future, someone might click an ad on your page, 
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Blackberry Z10 & Q10 - Make it your next smartphone, or we'll find you. <_<
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