Yes, it is because of additions/deletions etc. As in the case of admin names as station codes,
/blog/post/714724, I had searched just AJ. But one member Sri Nasir ji vide
/blog/post/714724/2, immediately suggested your name. Others were AKS, MJ and DB. So naturally the next list may incorporate these entries also. Even otherwise, Hide option is always available, if we do not like a particular blog. Please just hide and move on to next. Thanks for understanding, BG sir.