Perhaps you should try some spelling variations:
david chang » david ching, david chan, david chieng
david zhang » david chan, david hand, david tang
yuan ying » kuan ying
when do » when does
when da » when cda, when a, when d
wang da » wang dan, cang da, wang di
di tan » dui tan, yi tan, ji tan
hoi de » hui de, hoi ee, loi de
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 ying) or (yuan ming)) hoi de ((david zhang) OR (david chang)) wang da xi. ) or ( ((yuan ying) or (yuan ming)) hoi de di tan ((when da) or (when do)) xi. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((yuan ying) OR (yuan ming)) hoi de ((david zhang) OR (david chang)) wang da xi. ) OR ( ((yuan ying) OR (yuan ming)) hoi de di tan ((when da) OR (when do)) xi. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((yuan ying) or (yuan ming)) hoi de ((david zhang) OR (david chang)) wang da xi. ) or ( ((yuan ying) or (yuan ming)) hoi de di tan ((when da) or (when do)) xi. ))".
• Adding a wildcard symbol may retrieve word variants: (( ((yuan ying) or (yuan ming)) hoi de ((david zhang) OR (david chang)) wang da xi. ) or ( ((yuan ying) or (yuan ming)) hoi de di tan ((when da) or (when do)) xi. ))*.