In this Game Guardian tutorial I present you with the method to overcome the challenge of NOT finding a value even though you've used encrypted search.

NOTE:
If your game is crashing then use a smaller range for your search. Instead of 1,000,000~10,000,000 use 1,000,000~5,000,000
Also, reduce the amount of results that you edit all at once. Instead of 1000, make it 500 or even 250. Also, depending on the game and type of value, you may need to move away from the value to another screen and immediately return to it in order to see any changes on the screen. For that value and that game, I was lucky and it reflected the change on the screen immediately.