Miecraft 1.8.7 HORRIBLE GRAPHIC BUG! help!

so, i changed my graphic settings in the video settings, and the world messed up real bad... i dont know what it is, but i am very sure it isn't ment to be like that... does this happen often? for me, its only when rendering 8 chunks or more. the more chunks, the crazier it gets. | i have 8 GB RAM DDR3, AMD A6-5200 APU whit RADEON HD graphics 2,00 GHZ. windows 8 64-bit whit a touch-compitable screen. its a HP Pavillion laptop. i'll maybe add a DxDiag. please help me, this is annoying me sooo much! again, see this video to see the glitch itself. https://www.youtube.com/watch?v=fa7uo65G0sI