have u got intouch with your local radio station??? printed posters and stuck them everywhere u can stick a poster??? even put them thro peoples doors? put notices in shops and vets??? even put ads in all the free websites u can find, dont matter how bad of a rep the papers/sites have, people still look thro them....ring all the dogs homes up you can think of and if poss ask if u can send them a poster thro fax/post for them to put up incase he is handed in, ring the his breed rescue aswell and do the same.

hope the lost dog is found safe