Perhaps you should try some spelling variations:
postal sharing » postal saving, postal savings, social sharing
cost sharing » risk sharing, cost savings
houng can » hung cam, lung can
wang man » wang yan, wang ban, wang dan
kong des » long des, kong lee, kong sek
a kong » w kong, tan kong, nan kong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang man houng can ((postal sharing) OR (cost sharing)) a kong des ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang man houng can ((postal sharing) OR (cost sharing)) a kong des ;*".