Gmail has never had the ability to filter its searches on Android devices. Now, however, some users have noticed that is starting to change. The latest app update adds a considerably upgraded set of options to refine results in a more desktop-like experience. This may make the whole process much more streamlined and quicker in the near future.
https://www.notebookcheck.net/Google-ports-its-chips-feature-from-Gmail-for-desktop-to-the-Android-app.563121.0.html