Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
rent sharing » risk sharing, rent seeking
john wong » john song, john bonn
wing yan » wang yan, wing ian, wing tan
tuan hua » tuan vu, yuan hui
tan hua » wang hua, tan chia, tan puay
lai » laid

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((tuan hua) or (tan hua)) ((rent sharing) OR (cost sharing)) john wong lai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((tuan hua) OR (tan hua)) ((rent sharing) OR (cost sharing)) john wong lai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((tuan hua) or (tan hua)) ((rent sharing) OR (cost sharing)) john wong lai ;*".