how to get to The hotel Sav HK from HK airport, hotel located at no.83 Wuhu Street, Kowloon, Hunghum

Take bus line A22 from Airport (Ground Transportation Centre) Station, and get off at Valley Road, Chatham Road North Station. Then, walk along the Wuhu Street for about 300 yards, and you will find the hotel. The bus fare is HKD 39, and the duration is about 45 minutes. :)

WHAT ABOUT IF I TAKE BUS A21, GET OFF HUNGHUM STATION.
WHICH ONE WILL TAKE ME MORE CLOSER TO THE HOTEL ? A21 OR A22 ?

Well, bus no.A22 is closer. But there is another route that brings more convenience.
You can take bus no.E23 to get to Marsh Street, Wuhu Street first. It takes around 70 mins with the ticket fare of 18 HKD. After arriving, you will see the hotel across the street.