Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
theo doi » theo duoi, theo don, theo dong
thao hoc » thai hoc, than hoc, thao khoa
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
thao bo » tao bo, theo bo, thac bao
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: ((theo doi) or (((thao bo) or (thao hoc)))) manh - hanh tang cua thong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo doi) OR (((thao bo) OR (thao hoc)))) manh - hanh tang cua thong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo doi) or (((thao bo) or (thao hoc)))) manh - hanh tang cua thong cong dan van ban*.