Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thieu xanh » chieu xanh, thien anh, thien danh
cua truong » cua trung, xuan truong, cac truong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nong » cua cong, cuu nong, cua dong
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh ((cua truong) or (cua nong)) huong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh ((cua truong) OR (cua nong)) huong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh trinh ((cua truong) or (cua nong)) huong dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh ((cua truong) or (cua nong)) huong dan than cap*.