I Absolutly Love My Dog

My parents gave away my dog before 11 years when I was a child.I missed her every moment and I never stopped thinking about her. But I didn't knew what to do Now I grew up and I feel strong to look for her. I forgave my parents and I need to find her. If you wanted to find your dog and its been such a long time (in case your dog is still alive) what would you do? How would you start to look for your dog?? Any advice or kind words would be much helpful thank you ❤