Perhaps you should try some spelling variations:
taking costs » trading costs, banking costs, timing costs
risk taking » risk sharing
dong skin » dong sin, dong bin, dof skin
how slum » how slow, how sub, how sun
wan yan » wang yan, nan yan, wai yan
how shu » how she, how shih
ka la » ka a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan yan) OR (dong skin)) ((ka la) OR (a la)) risk taking costs ((how shu) OR (how slum)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yan) OR (dong skin)) ((ka la) OR (a la)) risk taking costs ((how shu) OR (how slum)) ;".
• Adding a wildcard symbol may retrieve word variants: ((wan yan) OR (dong skin)) ((ka la) OR (a la)) risk taking costs ((how shu) OR (how slum)) ;*.