Looking 2 buy shih tzu male dog aprox 1-2 yrs old?

I already have a female shih tzu and would like another 1 for company for her,my shih tzu is 14 mnths old. her older brother best freind collie dog is 15yrs and is not now in nice health
Answer
Why not go to a rescue centre - they may or may not have any but if they do they will be puppy trained and past the hyper stagegood luck with the possible new dog