pls give some advice

in my sites i have two adsense unit 336x280 for showing 4 ads in both but they show only two ads only pls help me

 

That may be all you can show it that format. If not simply pick a different number of ads when you create the channel.

Some times you don't get the max number you have selected if there are no ads to show for your content.

I have seen just a couple of ads where I have 5 scheduled to show.

 

sometimes it can be like this. dont worry. that will be normal after a little while

 

you get the number of ads based on how many ads within your category are available. maybe there aren't that many ads to serve for which its only showing 2 per ad unit. monitor it for couple of days and see if anything changes

 

i did not understand your question..

 

change the category in your adsense account...otherwise replace by another ads....

 

It happens sometimes, its tough

 

will be normal after some time..or check if your adsense code is added properly

 

maby there is no releven ads from your content or your keyword..