What is the plug-in for Search like Groupon & Livingsocial

Hi,
Please tell me what is the name of Search plug-in like Groupon & Livingsocial, their link: https://www.livingsocial.com/things-to-do/houston-sugar-land-west-houston
http://www.groupon.com/
I use wordpress clipper theme, and I want to have the search plug-in like they have (Search for coupons nearby).
Thank you for your attention
Best regards,
Don Lee