Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
hanh trang » thanh trung, canh tranh, hanh trinh
tieu xanh » tieu danh, chieu xanh, tien anh
trang cua » tranh cua, tang cua, trung cua
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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

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