iam connecting push buttons on p1.0 ->p1.4
and pull up resistors from p1.5 -> p1.7

and iam connecting too the push button on the external interupt 0

4) seems you didnt understand what the problem is :D
(5) if you can help then go for it
Yes, I can probably help if I understand you.

Post a schematic you can register and the do it using [pre] ([] is <>) or you can post a link to somewhere it is shown.

Language barriers can easily be handled with pictures.

Erik