Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
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 thiet tach - hanh doanh ((cua dung) or (qua dung)) cong dan ((van ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh doanh ((cua dung) OR (qua dung)) cong dan ((van ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh doanh ((cua dung) or (qua dung)) cong dan ((van ban) or (toan tap))*.