Perhaps you should try some spelling variations:
rate changes » price changes
changes john » change john, changed john, charnes john
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
yang loss » lung loss
loss rate » loss ratio, pass rate, loss data
john wong » john song, john bonn
wong sau » wong sam, wong siu, wong shiu

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

• Adding a wildcard symbol may retrieve word variants: wang yang yang loss rate changes john wong sau ;*.