Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
luan trong » quan trong, luat trong, luan tuong
hieu lang » chieu sang, hieu quang, nhieu tang
chi lang » thi lan, chi van, hoi lang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chi lang) or (hieu lang)) - thanh dung luan trong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chi lang) OR (hieu lang)) - thanh dung luan trong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chi lang) or (hieu lang)) - thanh dung luan trong cong dan than cau*.