Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
tam khong » ta khong, tao khong, tam thuong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu tinh - thanh trung tam khong ((cong dan) OR (cong san)) ((phan cac) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - thanh trung tam khong ((cong dan) OR (cong san)) ((phan cac) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - thanh trung tam khong ((cong dan) OR (cong san)) ((phan cac) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - thanh trung tam khong ((cong dan) OR (cong san)) ((phan cac) or (phan dau))*.