Perhaps you should try some spelling variations:
chung tong » chung chong, chung mona, phung tung
cheng long » cheng leong, cheng ling, chen rong
qian yan » qian jun, qian yi
yan gang » yan wang, yang guang, yang yang
dong bin » dong di, dann bin
gang xi » yang xi, fang xia
sin » sign, sind, skin

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 gang xi ((chung tong) or (cheng long)) jeng ((dong bin) OR (dong sin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan gang xi ((chung tong) OR (cheng long)) jeng ((dong bin) OR (dong sin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan gang xi ((chung tong) or (cheng long)) jeng ((dong bin) OR (dong sin)) ;*".