Perhaps you should try some spelling variations:
timing costs » timing cost, firing costs, living costs
risk timing » risk taking, risk sizing, risk training
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 timing costs ((how shu) or (how slum)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (dong skin)) ((ka la) OR (a la)) risk timing 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 timing costs ((how shu) or (how slum)) ;*.