Perhaps you should try some spelling variations:
tuman john » dugan john, tian john, turn john
john chae » john mchale, john cage, john michael
yun cheng » yuan cheng, yu cheng, yun chen
dang hadi » dang hai
yang jun » yang jui, pang jun, yang jin
yang xi » yang jui
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: tuman john chae yun cheng ((((yang xi) or (yang jun))) or (((yang di) or (yang yi)))) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuman john chae yun cheng ((((yang xi) OR (yang jun))) OR (((yang di) OR (yang yi)))) dang hadi ;.
• Adding a wildcard symbol may retrieve word variants: tuman john chae yun cheng ((((yang xi) or (yang jun))) or (((yang di) or (yang yi)))) dang hadi ;*.