Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung nam » trung tam, trong nam, trung cap
nam nhung » cam nhung, tham nhung, va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
ho lieu » so lieu, ho kieu, ho chieu
co lieu » cot lieu, co hieu, so lieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (co lieu)) tinh - thanh trung nam nhung ((cong dan) OR (cong san)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) OR (co lieu)) tinh - thanh trung nam nhung ((cong dan) or (cong san)) phan cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) OR (co lieu)) tinh - thanh trung nam nhung ((cong dan) or (cong san)) phan cau*.