Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing tan » sharing tags, sharing a, sharing bad
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
run cost » iran cost, can cost, run cash
hong a » hong ma, hong w, kong a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) OR (wang yang)) long run cost sharing tan hong a ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) OR (wang yang)) long run cost sharing tan hong a ;*".