Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien tang » hien trang, chien thang, khien bang
hoat hang » hoan hoang, hoat dong, hoa lang
hang cong » dang cong, hang nong, bang cong
doi hien » doi dien, doi bien, doi kien
cong dan » cong san, cong tan, huong dan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hien tang - ((thanh trung) or (hanh chinh)) hoat hang cong dan ((than cap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hien tang - ((thanh trung) OR (hanh chinh)) hoat hang cong dan ((than cap) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: doi hien tang - ((thanh trung) or (hanh chinh)) hoat hang cong dan ((than cap) or (khan cap))*.