Perhaps you should try some spelling variations:
joon chang » hoong chang, boon chong, jin chang
chang yuan » chang yun, chang chuan, fang yuan
yuan cheng » yuan chang, huang cheng, yu cheng
dato hadi » dato haji
ran joon » rand john, ryan john, ha joon
yang jin » yang jie, yang jun, ying jin
yang xi » yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ran joon chang yuan cheng ((((yang judy) or (yang jin))) or (((yang xi) or (yang di)))) dato hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ran joon chang yuan cheng ((((yang judy) OR (yang jin))) OR (((yang xi) OR (yang di)))) dato hadi ;.
• Adding a wildcard symbol may retrieve word variants: ran joon chang yuan cheng ((((yang judy) or (yang jin))) or (((yang xi) or (yang di)))) dato hadi ;*.