Perhaps you should try some spelling variations:
cheng leong » chee leong, cheng ling
qian quan » qian jun, qian yan
quan guan » gan guan, quan guo, yan guan
chen rong » chen yang
jeng dong » eng hong, zeng doug
dong bin » dong sin, dong di, dann bin
guan li » gan li, yuan li, yuan lin

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian quan guan li ((chen rong) or (cheng leong)) jeng dong bin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian quan guan li ((chen rong) OR (cheng leong)) jeng dong bin ;*.