Perhaps you should try some spelling variations:
savings group » savings groups
costs savings » cost savings, postal savings
wang hui » wang hua, wang zhi, wang wei
yang ii » yang yi, yang li, yang zili
yang xi » yang yi, yang jui
group a » group _, group 2
a shu » _ shu

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: wang hui ((((yang ii) OR (yang xi))) OR (yang di)) costs savings group a shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hui ((((yang ii) OR (yang xi))) or (yang di)) costs savings group a shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang hui ((((yang ii) OR (yang xi))) or (yang di)) costs savings group a shu ;*.