Perhaps you should try some spelling variations:
david chang » david ching, david chan, david zhang
chang weng » chan weng, chang peng, chang feng
yuan yong » yuan ying, huan yong, kuan yong
de david » dye david, dee david, die david
yong wo » yong won, yong woo, yong ho
weng da » wang da, neng da, weng wah
la tan » fa tan, ya tan, lima tan
za tan » fa tan, ya tan
weng » wheng
wen » when

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