How can it write more varied?

I’m experimenting with writing a long text based on a set of product specifications. And I ask it to write varied and not repeat expressions, word order, sentence structure for every new product description it writes.

However, it contiues to use expressions from before, and the whole structure of the descriptions becomes nearly the same. How can I fix this problem you think, it order for it to vary more?

Break the task into smaller ones, smaller sections of text, where the different specifics of your prompts will cause different styles and patterns of responses.