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 sun » liang sun, cong sun, nina sun
sun ying » sun kings, sun qiang, sun yan
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 sun ying end ((cost during) OR (((boost during) OR (boom during)))) risk wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wing sun ying end ((cost during) or (((boost during) or (boom during)))) risk wong shiu ;*.