Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong ca, truong quan, truong cao
hien hanh » dieu hanh
cua trong » cua truong, cua trung, qua trong
dang van » hoang van, hang va
dan van » doan van, dao van, tan 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 cua trong cong ((dan van) OR (dang van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien hanh)) - hanh truong cua trong cong ((dan van) OR (dang van)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hien hanh)) - hanh truong cua trong cong ((dan van) OR (dang van)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien hanh)) - hanh truong cua trong cong ((dan van) OR (dang van)) ban*.