Perhaps you should try some spelling variations:
david chang » david ching, david zhang, david chieng
david chan » david ching, david cohen
kuan yong » kuan ying, huan yong, wan yong
yong hoi » yong ho, yong han, seng hoi
neng da » neng de, neng fa, neng yan
san wen » tan wen
hoi de » hui de, hoi ee, loi de
ji san » ji suan, di san, ci san
de ji » de yi, de li

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( kuan yong hoi de ((david chang) or (david chan)) neng da xi. ) or ( kuan yong hoi de ji san wen da xi. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( kuan yong hoi de ((david chang) OR (david chan)) neng da xi. ) OR ( kuan yong hoi de ji san wen da xi. )).
• Adding a wildcard symbol may retrieve word variants: (( kuan yong hoi de ((david chang) or (david chan)) neng da xi. ) or ( kuan yong hoi de ji san wen da xi. ))*.