female leopard gecko wont seem to breed

I have a blizzard female that is over a year and a half old and is just under 60 grams. she wont seem to breed with any of the males i have. The males shake their tail then bite her tail then she attacks them back.

any clue on how to change this? I'm afraid to keep the female and a male together because i think one of them will get hurt.

Thanks to all who reply,

Maybe she is not in season right now. I would give her some more time and she may come around.

well ive given her a lot of time to come around and she hasn't yet. She is at a steady weight and is plenty healthy to breed. I read that the introduction of new geckos is where they are most violent.?
I want to keep this female and a midnight blizzard male together, so should i just stick them in a tank with eachother?
I dont want them to kill eachother, and the female attacks him when he tries to breed with her so what should i do?

Thanks to all who reply

If your female is not ovulating, she will not be receptive to a male. I still have several females that aren't ovulating yet, and just have to wait... ;(