old url addresses

I have made terrible mistakes! I have changed twice the url adresses of my 
blog. And now when I try to find my blog in google, I can see firstly my 
blog with old url addresses. When I open those pages with old url 
addresses, it is said that my blog is deleted and those addresses are free 
for use. How can I delete those url addresses from google search? Thank you 
very much for your help.

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