Suffering form kidney stones about 8 years. some operation removed stones. seeking preventative home remedy ?

i did lithotripsy in 2002 and some stones were urinated out. now a recurrence of symptoms arises. tropical western diet of rice, milk, coffee and nuts. stones were never anaysed to detremine their components and as such dietary changes were not recommended. what can i do in house to prevent, eradicate , and remove the stones present and maintain a healthy kidney?