Dogs are very predictable - they do what dogs do.  They are born knowing how to sniff out hidden morsels, excavate to find things, carry things in their mouths and keep things that they find.  They call out when they are lost so their mothers can find them.  They pee when they need to go.

 

They aren't born knowing that humans have weird rules.  That when you need to relieve yourself, for some weird reason, indoors is different than outdoors and carpet isn't the same as grass.  That kid toys aren't dog toys.  That underwear left outside the hamper isn't a dog toy.  That if you find a sandwich on the coffee table, it isn't automatically yours. 

 

If you catch a dog in the act and respond with corrections, they can learn that those things are only available if no one is watching; that it's safer to pee in the basement where no one will see you to avoid the yelling.  They learn this by AVOIDING unpleasant consequences and waiting until it's safe or finding a safer location.  They don't learn those things because dogs are inherently sneaky, but because dogs are good at observation and impending consequences.  They learn to avoid YOU.

 

The answer is not concocting bigger better ways to catch them  in the act so you can correct them, but managing the environment so it is "mistake proof " and carefully teaching the dog what you DO want.  Catch them getting it right!

 

Do you want your dog to get better at dodging and dashing around furniture when he has something that you'd like to get back from him?  Then don't chase him.  Teach him to bring it to you.  Teach a willing exchange.