I bought movies chnaged my apple ID and cannot find the movies I payed for.I need help to recover the movies I bought

Hello.I bought 6 movies on itunes sometime ago .I changed my Apple ID kept the same Apple ID but changed it from gmail to hotmail and cannot find my movies at all.I checked my purchse list and tried to go back a bit and still cannot find the movies that I payed for.I don't want to buy the movies over again they're expensive.I need help on how to recover them so that I will not have to buy them again.Please help