Perhaps you should try some spelling variations:
cheng leong » chee leong
cheng tong » chung tong, chen rong, chen yong
cheng ling » cheng bing, cheng ming, chen ping
king dong » king kong, jeng dong, kim dong
qian yan » qian jun, qian yi
yan gang » yan wang, yang guang, yang yang
gang xi » yang xi, fang xia
sin » sign, sind, skin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan gang xi ((cheng tong) OR (((cheng ling) OR (cheng leong)))) king dong sin ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan gang xi ((cheng tong) or (((cheng ling) OR (cheng leong)))) king dong sin ;~".
• Adding a wildcard symbol may retrieve word variants: qian yan gang xi ((cheng tong) or (((cheng ling) OR (cheng leong)))) king dong sin ;*.