Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
van thanh » ban thanh, van tuan
van quan » van 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 thiet tach - hanh chinh cua nhung cong ((van thanh) or (van quan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh chinh cua nhung cong ((van thanh) OR (van quan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh chinh cua nhung cong ((van thanh) or (van quan)) ban*.