Not getting any ads from 2 days and after 2 days the ads are showing but i get low points

HI
I AM NOT GETTING ANY ADS FROM 2 DAYS AND AFTER 2 DAYS THE ADS ARE SHOWING BUT I GET LOW POINTS… LIKE i AM GETTING POINTS OF 6-7 ADS ONLY A DAY WHICH IS VERY MUCH LOW AS COMPARED TO EARLIER ADS…AND AFTER GETTING SOME POINTS FROM SEEING 6-7 ADS I AM RECEIVING ADS BUT MY POINTS ARE GETTING STUCKED AND I AM NOT RECEIVNG NOT A SINGLE POINTS FROM ADS…WHAT IS THIS