Any easy way to potty train a tiny 13 wk chihuahua puppy

I take him outside about every thirty minutes, after he wakes, eats, etc., but all he does is stand there and whine and then goes once he returns indoors. I have even spent 15-20 minutes at a time outside with him and nothing. Any advise will be appreciated.

Crate training. Without question the most effective way to housebreak your dog is to crate train it. There are dozens of books and trainers that will give you more information, but the basics are this:

Eating or drinking stimulates the puppy's need to go.

The puppy will not soil its own sleeping place.

Consistent praise or punishment will imprint in the puppy's mind what is appropriate or inappropriate behavior.

Don't forget that the dog's mom also praises an corrects the puppy, using "dog language," i.e. a growl or the mom using her mouth to pin the puppy from the neck, or licks and squeaks for encouragement or praise.

To crate train, initially when the dog is alone at home, when you're sleeping, or when you can't watch the dog, put him in the crate. When he is let out of the crate, he goes straight outside- you should watch and praise him when he goes. Right after eating, he goes outside and goes and gets praise. If in either instance he doesn't go, he goes back in the crate for 15 minutes. Then go outside again, repeating the cycle until he goes. It should only take a few repetitions of this cycle until you don't have to watch him outside- leave him for a few minutes, then let him in.