Perhaps you should try some spelling variations:
hanh truong » anh truong, manh truong, chinh truong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trong » hanh trang, anh trong, hinh trong
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) OR (hanh trong)) 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) OR (hanh trong)) cao trong cong dan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hien hanh)) - ((hanh truong) OR (hanh trong)) cao trong cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien hanh)) - ((hanh truong) OR (hanh trong)) cao trong cong dan van ban*.