It's used to emphasize a degree of something, usually indicating a higher quantity, intensity, or quality.
Here are some examples of how "encore plus" could be used in English:
* "The food was delicious, but the dessert was encore plus amazing." (The dessert was even more amazing than the food.)
* "I was already tired, but after the hike, I was encore plus exhausted." (The hike made me even more tired.)
* "She is a talented artist, but her latest work is encore plus impressive." (Her latest work is even more impressive than her previous work.)