Perhaps you should try some spelling variations:
david chang » david ching, david chan, david zhang
yuan yong » yuan ying, huan yong, kuan yong
chang wen » chiang wen, chang weng, chang wei
yong woo » yong wooi, yong woon, yong foo
de david » dye david, dee david, die david
li tan » li tian, ali tan, li tao
de li » de la, de yi

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

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