If your comfortable with a dirt hole set, or any other type of set, and you think a yote is digging up your trap or other wise has wised up to your methods.....
Make the same set, and block off the back, but place an additional trap a foot or two in front of the set, and make it look natural and while he's busy digging up your trap or investigating your set because he thinks he has you figured......SNAP! 
Use his "education" against him. 