Search results

After scrolling all the comments above, I'm suprised that no one has suggested you this method: Advertising. You can run ads for your article to both make it show up to more readers and appear more legit to Google, which leads to quick indexing.

I've been through this case several times before. To the best of my experience, you can only improve the situation if you've registered a DMCA agent for your website and content. In this case, you can send a DMCA takedown notice to Google to have the duplicated pages been removed from SERPs...