Perhaps you should try some spelling variations:
david tang » david strang, david chang, david zhang
yuan yong » yuan ying, huan yong, yuan yang
kuan yong » kuan ying, huan yong, wan yong
de david » dye david, dee david, die david
tang wen » tan wen, tong wen, tang wu
san wen » tan wen
de di » de yi, de li, de ji

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 (kuan yong)) hui de david tang wen da xi. ) or ( ((yuan yong) OR (kuan yong)) hui de di san wen da xi. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((yuan yong) OR (kuan yong)) hui de david tang wen da xi. ) OR ( ((yuan yong) OR (kuan yong)) hui de di san wen da xi. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((yuan yong) OR (kuan yong)) hui de david tang wen da xi. ) or ( ((yuan yong) OR (kuan yong)) hui de di san wen da xi. ))".
• Adding a wildcard symbol may retrieve word variants: (( ((yuan yong) OR (kuan yong)) hui de david tang wen da xi. ) or ( ((yuan yong) OR (kuan yong)) hui de di san wen da xi. ))*.