I got pre-approval three times and it hurt my credit score

[Muhammad Ahmad]

Hey Guys!
I got pre-approval in December but could not close the deal and now I applied for another pre-approval last week for new construction that I found but it will probably close by august or September. That means my credit score will be hurt three times. I just want to know how long it take for my credit score to get up and if there is a way to get my credit score to bounce back up quickly.

Thanks in advance!