Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
zhang ying » zhang jing, zhang ping, zhang ting
zhang ming » zhang xin
risk tong » risk among, risk along
tong shui » tong hui, cong shu, gong hui
hua cost » eu cost, run cost
zhen » zheng, when, chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: zhen ((zhang ying) OR (zhang ming)) ((hua cost) or (a cost)) sharing risk tong shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: zhen ((zhang ying) OR (zhang ming)) ((hua cost) OR (a cost)) sharing risk tong shui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "zhen ((zhang ying) OR (zhang ming)) ((hua cost) or (a cost)) sharing risk tong shui ;*".