If you want to search specifics you can put the text in quotes. ex: searching: "mozilla support"

Hi, do you mean when you search on this support site or when you search on your favorite web search engine? There are a lot of site-specific tricks for these things, so the more specific you can be about where you're searching, the better.

For this site:

Try the Advanced search page, and use + between individual words to require both of them, or put quotes around phrases.

https://support.mozilla.org/search/advanced

Toward the bottom of the form, you can choose to sort the results by date so you get the most recent first, even if they are not ranked as quite as relevant by however that is calculated.