Perhaps you should try some spelling variations:
rates changed » rate changes, rate change, fate changed
changed east » change east, change past, changed post
wing yang » wang yang, ying yang, wang yan
yang yang » wang yang, wang yan
xi rates » 4 rates, fx rates
wong siu » wong shiu, kong siu, wong sau
yang xi » yang di, yang yi, yang jui

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wing yang yang xi rates changed east ((wong lai) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yang yang xi rates changed east ((wong lai) OR (wong siu)) ;*.