I am pasting some missed words here. If you copy them and search for them in Discourse, you will find that the expected search results are missing.
For this site: (the results should include this page: https://meta.discourse.org/t/discourse/6780?source_topic_id=13287)
Guide Release
For Erick Guan’s site (https://master1.discoursecn.org/)
Restart Server (search results should include: https://meta.discoursecn.org/t/topic/2510)