How can i root samsung galaxy ace nxt (SM-G3135hz)? Any suggestion please?

[AC Question]

so here it is, i have tried almost all root apps like root master, framaroot, kingroot, kingo root etc....also tried installing odin and cwm ...it installed but i couldnt see any change. so if you kindly tell me how to root my samsung galaxy ace nxt and install cwm. thanks in advance !