Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
risk yang » risk young, risk anp
can cost » can costa, can lost, can post
von carl » von karl
wan yan » wang yan, nan yan, wai yan
yan zhi » yan zi, wang zhi
yang mu » yang du, yang muxi, yang jui

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 zhi ((can cost) or (von carl)) sharing risk yang mu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan zhi ((can cost) OR (von carl)) sharing risk yang mu ;*.