Why does Google rank the Ukrainian version of the site more than the Russian one?

Question

Google

For some unknown reason, the section:
https://nikoss.com.ua/ukr/index.html
Ranks more than the section:
https://nikoss.com.ua
Although there is much more demand in Russian and even for phrases in Russian language, the Ukrainian version is displayed. Prompt, with what it can be connected?

Answer 1

1. national domain zone
   
2. commercial site
   
3. geo-dependent search queries
   

Answer 2

Google has raised the Ukrainian language as a priority for Ukraine
, the time will come, and the Byalorusian language will raise for Belorussia
, or how, you thought, is it done?