Perhaps you should try some spelling variations:
boost during » roosts during, books during, boom during
cost during » crust during, west during, roosts during
risk tong » risk among, risk along
tong shui » tong hui, cong shu, gong hui
yan big » land big, mean big, than big
can big » can bring, mean big, than big
wang » wing, wan, lang

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 ((yan big) OR (can big)) end ((cost during) OR (boost during)) risk tong shui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan big) or (can big)) end ((cost during) OR (boost during)) risk tong shui ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan big) or (can big)) end ((cost during) OR (boost during)) risk tong shui ;*.