Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
chinh va » chinh ta, chinh tai, hanh va
va thong » va thuong, va phuong, he thong
cong san » cong tac
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh chinh va thong cong san ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh chinh va thong cong san ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh chinh va thong cong san ((toan tai) or (toan tap))*.