You have gone through the merging player process, but you notice there are some missing.
Perhaps you were playing under a different name. (Married name, Nickname, Misspelled name, etc)
To merge your other player profiles log into to the Player App.
Click on the Menu (Top right corner)
Click on My Events.
Check your My Events, make sure they are all you. Or click not you, if they are not.
Check your Rejected Events
and if there are other events you noticed aren't there Go to Unidentified events.
Search with your name. If you notice that it is not finding it, you can try different spellings of your name or nicknames your had, or short form)
Click yes or no to the player profiles that are waiting to be merged.
To find more: Click on Find other events I played in.