Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thiet » hoc thieu, hoc thuyet, toc thieu
chinh sua » chinh su, chinh cua, chinh luan
sua thong » suat thong, xuat thong, suat trong
cong tang » cong thang, cong tan, cong lang
tang van » dang van, hoang van, trong 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 thiet) or (hoc hien)) anh - hanh chinh sua thong cong tang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (hoc hien)) anh - hanh chinh sua thong cong tang van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (hoc hien)) anh - hanh chinh sua thong cong tang van ban*.