Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
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 - ((((minh hoang) or (thanh trung))) or (hanh chinh)) cua thong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((((minh hoang) OR (thanh trung))) OR (hanh chinh)) cua thong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((((minh hoang) or (thanh trung))) or (hanh chinh)) cua thong cong dan van ban*.