Perhaps you should try some spelling variations:
postal sharing » cost sharing, postal savings, social sharing
postal saving » postal savings
ban houng » man houng, ban nong, can hong
houng can » hung cam, lung can
wang ban » wang yan, wang dan, wang yang
kong lyn » kong land, kong lee
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 ban houng can ((postal sharing) OR (postal saving)) a kong lyn ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ban houng can ((postal sharing) OR (postal saving)) a kong lyn ;*".