All my projects are tagged as !p_ followed by a name, such as !p_my_dog_eats_grapefruit or !p_mydogeatsolives . If I search for tag:!p_* I don't get any results on either Windows or Android. I've checked https://dev.evernote.com/doc/articles/search_grammar.php and it seems it should work. Is the exclamation mark or underscore causing problems with this search?