magento expert

Hi Freelancer's, I am looking for a magento expert who can help me to fix exact site search (lets say if a customer writes silver rings then all title who have keyword silver ring should appear and their postion should be like that silver ring which title will on start should come first) further details are shared in caht , lowest bidder wins, ma budget is 15 $ for this task , also a 5 star review as well, need to finish in next few hour.