Perhaps you should try some spelling variations:
luan chinh » luan chi, hoan chinh, luat hinh
chinh cong » thanh cong, trinh cong
hoc thieu » toc thieu, hoc hien
doc hieu » toc thieu, hoc hien
anh dung » anh dong, anh huong, sach dung
cong tac » cong ty
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) xanh - anh dung luan chinh cong tac ((than cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (hoc thieu)) xanh - anh dung luan chinh cong tac ((than cau) or (than cap))~".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (hoc thieu)) xanh - anh dung luan chinh cong tac ((than cau) or (than cap))*.