Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
trung cong » truong cong, trong cong, trung uong
tieu hanh » dieu hanh, tiem hanh, tien hanh
cua trung » cua truong, xuan trung, cua nhung
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 hanh - ((hanh trang) or (canh tranh)) cua trung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - ((hanh trang) OR (canh tranh)) cua trung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - ((hanh trang) or (canh tranh)) cua trung cong dan van ban*.