A query composed entirely of negative operators (with no positive search term) is inherently problematic. Standard search engines require at least one positive keyword to return results. If a user types only -cats -dogs , the engine will either return an error, show no results, or ignore the operators entirely.
There is no evidence that the user was searching for these terms directly. Instead, they were trying to them from results, possibly due to frequent unwanted appearances. Search Results for -Msbreewc- - INDO18
A content moderator, cybersecurity researcher, or digital rights advocate wants to from search indices. By entering only the negative operators, they may be testing a query script or API command that filters out these terms from a larger dataset. The "Search Results for" prefix suggests they are using a specific tool or custom search application, not Google. A query composed entirely of negative operators (with