Perhaps you should try some spelling variations:
risk trading » risk taking, risk rating, right trading
wang yang » wang yan, wang liang, wang yanling
dong skin » dong sin
costs how » cost low
dong bin » dong sin, dong di
how shu » how slum
a risk » _ risk
ka a » a a, k a

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) or (((dong skin) OR (dong bin)))) ka a risk trading costs how shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (((dong skin) OR (dong bin)))) ka a risk trading costs how shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (((dong skin) OR (dong bin)))) ka a risk trading costs how shu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (((dong skin) OR (dong bin)))) ka a risk trading costs how shu ;*.