You can find more information or follow her updates on her official social media profiles: Liliya Semkova Instagram
The 2019 reference likely points to a performance or a social media post from that year, possibly from her participation in the television show "The Farm" ( Fermata ) or a music video release.
The text you provided appears to be a specific filename or search string related to , a singer of Bessarabian Bulgarian origin. Specifically, "Zalba za Balgariya" (Жалба за България) is one of her songs, often translated as "Lament for Bulgaria."