How to change title in search results?

Question

Search Engine Optimization

There were 2 plugins for seo all in one and yaost set up all the titles and meta description and so on, but the site was already indexed with the heading "urgent car purchase in orenburg", I redo the meta and titles to "used cars" and cars with mileage, updated the site map, uploaded everything to the webmaster panel, but there are still no changes, the headings are all old, and with the old request it disappeared from the search, was on page 3 and now it disappeared altogether.

Answer 1

Changing site snippets can take several weeks, depending on the speed of reindexing the site

Answer 2

See indexing in the webmaster, check positions. Yandex does not quickly change snippets