Perhaps you should try some spelling variations:
rate changes » price changes
rene changed » rates changed, have changed, rate change
wing ying » liang ying, jin ying
ying yang » yang yang, yin yang, ying chang
yang jui » yang judy, yang di, yang xi
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew

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 ying yang jui ((rene changed) OR (rate changes)) east ((wong sau) OR (wong siu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ying yang jui ((rene changed) OR (rate changes)) east ((wong sau) or (wong siu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing ying yang jui ((rene changed) OR (rate changes)) east ((wong sau) or (wong siu)) ;*.