Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
hien hanh » dieu hanh
cao trong » cao truong, cay trong, tao trong
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: hoc ((chieu xanh) or (hien hanh)) - hanh truong cao trong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien hanh)) - hanh truong cao trong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien hanh)) - hanh truong cao trong cong dan van ban*.