I'm getting different results while requesting https://api.themoviedb.org/3/movie/now_playing?api_key=my_key&language=en-US&page=1 within seconds. Sometime it outputs this list of movies:

Jumanji: Welcome to the Jungle Star Wars: The Last Jedi The Greatest Showman Coco Beyond Skyline Insidious: The Last Key Pitch Perfect 3 The Post The Shape of Water November Criminals The Commuter Molly's Game Hostiles Downsizing Ferdinand Proud Mary 12 Strong Day of the Dead: Bloodline Paddington 2 Den of Thieves

with "page":1,"total_results":705,"dates":{"maximum":"2018-01-24","minimum":"2017-12-07"},"total_pages":36}

sometimes:

Jumanji: Welcome to the Jungle Star Wars: The Last Jedi Olaf's Frozen Adventure The Greatest Showman Coco Beyond Skyline Insidious: The Last Key Pitch Perfect 3 The Post The Shape of Water November Criminals The Commuter Molly's Game Hostiles Downsizing Ferdinand Proud Mary Day of the Dead: Bloodline Paddington 2 The Snowman

with "page":1,"total_results":802,"dates":{"maximum":"2018-01-17","minimum":"2017-11-27"},"total_pages":41}

How to achieve stable result?