Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
cong tac » cong ty
doan ban » doanh ban, doan van, doanh bat
toan ban » 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 dong luan hung cong tac ((doan ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh dong luan hung cong tac ((doan ban) OR (toan ban))*.