Perhaps you should try some spelling variations:
savings using » mappings using, settings using, things using
net savings » cost savings, term savings, fuel savings
wang yong » wang yang, wang hyoung, wang yan
dong bin » dong sin, dann bin
yang yi » yang di, yang xi, yang jui
dong di » dong sin
judy » july

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong ((yang yi) or (yang judy)) net savings using ((dong bin) or (dong di)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong ((yang yi) OR (yang judy)) net savings using ((dong bin) OR (dong di)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yong ((yang yi) or (yang judy)) net savings using ((dong bin) or (dong di)) ;*.