Perhaps you should try some spelling variations:
boost during » roosts during, books during, boom during
cost during » crust during, west during, roosts during
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
yang end » yang anda, yang mind, yang d
among eu » among men, among _, among 15

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 end ((cost during) OR (boost during)) risk ((among eu) OR (cong shu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang end ((cost during) OR (boost during)) risk ((among eu) or (cong shu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang yang end ((cost during) OR (boost during)) risk ((among eu) or (cong shu)) ;*.