Perhaps you should try some spelling variations:
truong chuong » truong chung, truong phuong, trong chuong
thanh dung » thanh duong, thanh tung, thanh hung
cua truong » cua trung, xuan truong, cac truong
chuong dan » huong dan, chuong han, chuong dong
hieu manh » chieu xanh, hieu nganh, hien hanh
dung cua » dung luan, dung cho
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: doc ((hieu manh) OR (dieu hanh)) - thanh dung cua truong chuong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu manh) OR (dieu hanh)) - thanh dung cua truong chuong dan van ban".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) OR (dieu hanh)) - thanh dung cua truong chuong dan van ban*.