It does support natural language, but at the moment it also makes the user change the prompt so that it is very similar to the post they are searching for. This issue is well-known https://gitlab.syncad.com/hive/hivesense/-/issues/12. In your case, a unique word 'holoz0r' in this very short prompt will match posts where this word is being mentioned. It is almost impossible to employ this mechanism to get one particular post since other posts may come a step nearer to the context you are intending to find — you are not alone in writing about the death on Hive