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