Perhaps you should try some spelling variations:
david chang » david ching, david chan, david zhang
kuan yong » kuan ying, huan yong, wan yong
chang wen » chiang wen, chang weng, chang wei
de david » dye david, dee david, die david
yong fa » yong fan, yong han, yong hua
san wen » tan wen
li san » li shan, di san, ci san
fa de » fu de, ta de, fa da
de li » de la, de yi

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: (( kuan yong fa de david chang wen da xi. ) OR ( kuan yong fa de li san wen da xi. ))~.
• Adding a wildcard symbol may retrieve word variants: (( kuan yong fa de david chang wen da xi. ) or ( kuan yong fa de li san wen da xi. ))*.