I want my accound back

Hello there, i was playing Crossfire since 2010-2011, then i left it cause i had to study for high school..i just finished it and i want to re-back my accound..
my accound name was Omdaz , my yahoo mail was deleted cause i was inactive there too
i remmeber my id and pw but when i join the game it says wrong id or pw...check my accound please i want to back it