"Formula" block makes very simple calculation and puts the result in a global variable which is automatically created. This global variable is the Result. When two Formula blocks uses the same Result, only one global variable will be created and those Formula blocks actually both work with the same variable, so there is no matter which one you will choose. But I think you have to check your Result names...
By the way I repaired Search in this forum. I found what was the problem.
Well, after I started fxDreema I stopped to try to build EAs. Then I decided that Forex is not for me, but I like to create new tools, so I'm happy with fxDreema even when I don't care about Forex and trading very much.