Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, dieu hanh, hien hanh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) OR (chieu xanh)) - thanh trung cap thong cong san ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu xanh)) - thanh trung cap thong cong san ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu manh) OR (chieu xanh)) - thanh trung cap thong cong san ((toan ban) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) OR (chieu xanh)) - thanh trung cap thong cong san ((toan ban) or (van ban))*.