site:bitcointalk.org <keyword search> - but although it does search and I can do searching far quicker, it's older data - not from today for example.
Search engines don't check the website continuously, so they are indeed more suitable for older results. For example, in google, you can select the date/time range where to search for what you are interested in.
But I will show you something that, for simple search and new results may be better than google:
https://ninjastic.space/searchYou can fill a couple of criteria - keywords, date range, maybe author or board too - and will find even posts made minutes ago.