Perhaps you should try some spelling variations:
boost during » roosts during, books during, built during
cost during » crust during, west during, roosts during
boom during » blooms during, books during, bim during
risk wong » risk among, risk along, risk work
wong shiu » wong siu, cong shu, song shin
wing tan » wing ian, liang tan, hong tan
tan ying » fan ying, ran ying, tan yang
ying end » big end

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: wing tan ying end ((cost during) OR (((boost during) OR (boom during)))) risk wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wing tan ying end ((cost during) or (((boost during) or (boom during)))) risk wong shiu ;*.