Perhaps you should try some spelling variations:
cos savings » cost savings, costs savings, its savings
cost saving » cost savings, costs savings, cost sharing
hua yang » hui yang, huang yang, hua jiang
yang yi » yang di, yang xi, yang jui
group a » group _, group 2
a shu » _ shu
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang hua yang yi ((cos savings) OR (cost saving)) group a shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hua yang yi ((cos savings) OR (cost saving)) group a shu ;*".