How to get text from wall using VK API?

Question

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Good afternoon!
Task: get the text of the entire post from the wall for the key request.
For example, such a request:

https://api.vk.com/method/wall.search?owner_id=12345&query=BMW&v=5.68

will return a single-word post BMW , but I also need to get posts that contain a non-single-word BMW query.
For example, the post: The bmw community will no longer parse.
What to do? Who can advise what?

Answer 1

?
https://vk.cc/7gzPDo
See sample request.