Complex sentence: In 2014, the football club appointed head coach Radoslav Boyanov and later that year, Inter Plachidol won the Dobrich Regional Football Group and later the play-offs against Orlovets 2008 to be promoted to the V Group.
Split into simpler sentences: In 2014, the football club appointed head coach Radoslav Boyanov and later that year, Inter Plachidol won the Dobrich Regional Football Group. Subsequently the team proved to be successful in the play-offs against Orlovets 2008 and as a result they were promoted to the V Group.