Perhaps you should try some spelling variations:
cheng ming » cheng bing, cheng ling, chen ping
cheng tong » chung tong, cheng leong, chen rong
yang jui » yang judy, yang di, yang xi
yang yi » yang di, yang xi
kong su » kong siu, kong sar, kong eiu
rong su » rong yu, cong sun, jeong su
jian » jiang, jean, jan

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

• Performing a fuzzy search may retrieve terms with similar spellings: jian un ((yang yi) OR (yang jui)) ((cheng tong) or (cheng ming)) king ((kong su) or (rong su)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: jian un ((yang yi) OR (yang jui)) ((cheng tong) OR (cheng ming)) king ((kong su) OR (rong su)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "jian un ((yang yi) OR (yang jui)) ((cheng tong) or (cheng ming)) king ((kong su) or (rong su)) ;*".