To disable Bing's auto suggestions when browsing on your Windows Phone 8 device, follow the below procedure:
Tap on Start > Internet Explorer.
Tap the More button (a small button with 3 horizontal dots) > Settings.
Uncheck "Get suggestion from Bing as I type".
Swipe from left to right on the Start Screen and go to Settings.
Swipe to the "applications" menu > search.
Uncheck "Get Suggestion from Bing as I type".
CCM is a leading international tech website. Our content is written in collaboration with IT experts, under the direction of Jeff Pillou, founder of CCM.net. CCM reaches more than 50 million unique visitors per month and is available in 11 languages.