Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
liang yang » wang yang, yang yang, huang yang
liang ying » liang liying, huang ying, zhang ying
among shu » cong shu, among eu, among sex
can cost » can costa, can lost, chain cost
can post » can lost, can past, can postal

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang yang) OR (liang ying)) ((can cost) OR (can post)) sharing risk among shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang yang) OR (liang ying)) ((can cost) or (can post)) sharing risk among shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) OR (liang ying)) ((can cost) or (can post)) sharing risk among shu ;*.