It's always easier too work from a photo than a description.
There are a number of variegated ivy and vinca thugs... winter creeper...
https://www.invasive.org/alien...
And chameleon plant...
always a very bad idea to plant ground covers, and a lot of people have the idea that if they can find the right one, it will crowd out the "weeds" and be maintenance free...
the cure is so much worse that the imagined problem...
Sorry about the yard... I've always attacked these thugs with shovel and mattock when the soil was moist...
In your shoes, you may need to find someone willing to tackle the job...
Be careful... there's a lot of people that would spray hazardous chems, and kill everything, leaving you to live in a super fund site where nothing grows, and it isn't safe to venture outdoors.
