Perhaps you should try some spelling variations:
hanh trinh » canh tranh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
dang cong » dung cong
cong dang » cong dong, cong dan, cong dung
cua dang » cua cong, cua ban
dang van » hoang van, hang va

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

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