Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
hieu xanh » hieu manh, hieu nganh, dieu hanh
hung cong » nhung cong, hung cuong, phung cong
tung tam » trung tam, vung tam, dung tam
tam hung » tam huong, cam hung, tai hung
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 xanh) OR (chieu xanh)) - thanh tung tam hung cong san ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - thanh tung tam hung cong san ((toan ban) OR (van ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - thanh tung tam hung cong san ((toan ban) or (van ban))*".