Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan dau, phan cac, phan lap

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