You might want to post on Ukraine's and Galicia's Ancestry board. A wider exposure should bring more help.
Kamenka, Kamenka-Bugskaya, Kamenka Strumilova, Kamenka-Strumilovskaya, Kamionka, Kamionka Strumitowa, Kam”yanka-Buz’ka populated place
50°06' N 24°21' E
E M U G
273.1 miles W of Kyyiv 50°26' N 30°31' E
This location, Kamionka Strumilowa was in historical Galicia. www.halgal.com