Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
doc hieu » toc thieu, hoc thieu
chinh ca » chinh ta, chinh va, chinh tai
ca thong » ca thuong, va thong, ca trong
cong tac » cong ty
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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) or (hoc hien)) nganh - hanh chinh ca thong cong tac ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) nganh - hanh chinh ca thong cong tac ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) nganh - hanh chinh ca thong cong tac ((toan tai) or (toan cao))*.