Perhaps you should try some spelling variations:
joon chang » hoong chang, boon chong, jin chang
yang july » yang judy, yang jui, yang jun
can joon » can join, can job, ha joon
chang ha » chang mae
ha chen » hua chen, a chen, ta chen
yang xi » yang jui
yang yi » yang jui
dang » dan, lang, wang
hai » hadi, haji, hari

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 ha chen ((((yang xi) OR (yang yi))) OR (((yang di) OR (yang july)))) dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: can joon chang ha chen ((((yang xi) or (yang yi))) or (((yang di) or (yang july)))) dang hai ;*.