Here is one solution https://www.hometalk.com/29790071/borax-weed-killer-for-creeping-charlie
If you are not opposed to using chemicals on your lawn, there are herbicides that will kill creeping Charlie. Look for a broadleaf herbicide that contains the chemical triclopyr or dicamba.
I just dig them out. Be careful using chemicals if you have children or pets.
Here's some of the garden wisdom on how to control pesky weeds with supposedly organic solutions: To kill weeds, use a mix of Dawn dish soap, Epsom salts and vinegar. To get rid of creeping Charlie, use borax (as in 20-Mule Team Borax) instead of conventional lawn chemicals.