Perhaps you should try some spelling variations:
training cost » training costs, training course, training courses
risk training » risk taking, bank training, risk planning
dong skin » dong bin, dof skin
cost hong » cost housing
hong shu » cong shu, tong shui, wong shiu
k a » uk a
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (((dong skin) or (dong sin)))) k a risk training cost hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (((dong skin) OR (dong sin)))) k a risk training cost hong shu ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (((dong skin) or (dong sin)))) k a risk training cost hong shu ;*.