1,003 votesAdminWunderlist (Admin, Wunderlist) responded
The Wunderlist 3 iOS and Mac apps already find completed tasks when doing a searchSimon Deutschl supported this idea ·Simon Deutschl commented
I also want to have this feature. I'm not using Mac or iOS but Windows and Android and on Windows I use Wunderlist on the web with Firefox. Please integrate this feature, I'm waiting since a long time for it.