success story 
noun informal
A successful person or thing: the European Community is one of the great success stories of the post-war world...
- Where else can you achieve an overnight success story as succinct as theirs?
- This was not just an achievement at an entertainment show but a success story.
- Animation in Scotland is what sometimes seems like a rare beast around these parts: a genuine success story.
- keep someone up
- keep something back
- keep something dark
- keep something down
- keep something from
- keep something in
- keep something quiet (or keep quiet about something)
- keep something to oneself
- keep something under one's hat
- keep something up
- keep step
- keep tabs (or a tab) on
- keep the ball rolling
- keep the bastards honest
- keep the field
- keep the peace
- keep the pot boiling
- keep (the) score
- keep the wolf from the door
- keep time
- keep to
- keep to oneself
- keep up (also keep up with)
- keep up appearances
- keep up with