Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hien xanh » hien nhanh, hien khanh, khien canh
hien hanh » dieu hanh
chinh cua » chinh ca, chinh sua, hinh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san ran » san van, san roman, van ranh
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hien xanh) OR (hien hanh))) or (chieu xanh)) - hanh chinh cua dung cong san ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien xanh) OR (hien hanh))) OR (chieu xanh)) - hanh chinh cua dung cong san ran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien xanh) OR (hien hanh))) or (chieu xanh)) - hanh chinh cua dung cong san ran cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien xanh) OR (hien hanh))) or (chieu xanh)) - hanh chinh cua dung cong san ran cau*.