Perhaps you should try some spelling variations:
joon chang » hoong chang, boon chong, jin chang
chang jean » chen jean, china jean, cling jean
yang joon » kyung joon, yang jin, yang jun
jean chen » ern chen
yang jie » yang jin, yang jui, yang yi
yang xi » yang yi, yang jui
hai » haji, hari, thai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: yang joon chang jean chen ((yang jie) or (((yang xi) or (yang di)))) ((dang hadi) OR (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang joon chang jean chen ((yang jie) OR (((yang xi) OR (yang di)))) ((dang hadi) OR (dang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang joon chang jean chen ((yang jie) or (((yang xi) or (yang di)))) ((dang hadi) OR (dang hai)) ;*".