Perhaps you should try some spelling variations:
dong sing » dong ping, done using, don't sing
wang yang » wang yan, wang liang, wang yanling
kong siu » kong eiu, wong siu, kong sar
vi ai » vi a, ai ai, ii ai
ai a » ai _, i a, ii a
dean » dewan, jean, den
sing » signg, sindg, sking
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang dean ((vi ai) or (ai a)) dong sing ((kong siu) OR (dong sin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang dean ((vi ai) OR (ai a)) dong sing ((kong siu) OR (dong sin)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang dean ((vi ai) or (ai a)) dong sing ((kong siu) OR (dong sin)) ;*".