Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
huong cong » luong cong, duong cong, cuong cong
hieu xanh » hieu nganh, dieu hanh, hien hanh
hieu manh » hieu nganh, dieu hanh, hien hanh
tac huong » tac thuong, tay huong, tam huong
cong tac » cong ty
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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 (((hieu manh) OR (chieu xanh)))) - thanh cong tac huong cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (((hieu manh) OR (chieu xanh)))) - thanh cong tac huong cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (((hieu manh) OR (chieu xanh)))) - thanh cong tac huong cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (((hieu manh) OR (chieu xanh)))) - thanh cong tac huong cong dan toan tap*.