Perhaps you should try some spelling variations:
chung tong » chung chong, chung mona, phung tung
chen tong » chen rong, chen yong, chen yang
qian yan » qian jun, qian yi
yang jui » yang judy, yang di, yang yi
keong su » rong su
jeong su » jeong _, jeong mi, jeong 情
yang xi » yang di, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian yan ((yang jui) OR (yang xi)) ((chen tong) or (chung tong)) king ((keong su) or (jeong su)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan ((yang jui) OR (yang xi)) ((chen tong) OR (chung tong)) king ((keong su) OR (jeong su)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan ((yang jui) OR (yang xi)) ((chen tong) or (chung tong)) king ((keong su) or (jeong su)) ;*".