Perhaps you should try some spelling variations:
david chang » david ching, david chan, david zhang
yuan yong » huan yong, yuan yang, yuan dong
yuan ying » yuan ming, kuan ying
kuan yong » kuan ying, huan yong, wan yong
chang wen » chiang wen, chang weng, chang wei
de david » dye david, dee david, die david
san wen » tan wen
foo de » fao de
li san » li shan, di san, ci san
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) OR (yuan ying))) or (kuan yong)) foo de david chang wen da xi. ) or ( ((((yuan yong) OR (yuan ying))) or (kuan yong)) foo de li san wen da xi. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((((yuan yong) OR (yuan ying))) OR (kuan yong)) foo de david chang wen da xi. ) OR ( ((((yuan yong) OR (yuan ying))) OR (kuan yong)) foo de li san wen da xi. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((((yuan yong) OR (yuan ying))) or (kuan yong)) foo de david chang wen da xi. ) or ( ((((yuan yong) OR (yuan ying))) or (kuan yong)) foo de li san wen da xi. ))".
• Adding a wildcard symbol may retrieve word variants: (( ((((yuan yong) OR (yuan ying))) or (kuan yong)) foo de david chang wen da xi. ) or ( ((((yuan yong) OR (yuan ying))) or (kuan yong)) foo de li san wen da xi. ))*.