Question

How i improve my programming

Answer 1

Decompose the problem into very small sections, 10 to 15 lines of code max.
Double the amount of commenting that you think you need.
Use descriptive variable names, the code should read a lot like prose.

Answer 2

The best way to improve your programming, is to get this book and live by the principles contained therein. http://www.amazon.com/Clean-Code-Handbook-Software-Craftsmanship/dp/0132350882 It's a classic and will help you avoid common misconceptions like 'more documentation means better code'. Well written code explains itself.