Perhaps you should try some spelling variations:
joon chang » hoong chang, boon chong, jin chang
dang hari » dang hai
can joon » can join, can job, ha joon
sudan ch » sudan cash, sudan chen, sudan _
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang xi
yang yi » yang xi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: can joon chang sudan ch ((((yang jin) OR (yang di))) OR (((yang jui) OR (yang yi)))) dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: can joon chang sudan ch ((((yang jin) or (yang di))) or (((yang jui) or (yang yi)))) dang hari ;*.