Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh doanh » chinh doanh, doanh doanh, kinh doanh
hang doanh » nhung doanh, van doanh, dung doanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 doanh) or (hang doanh)) ((cua thong) OR (cua tong)) cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - ((hanh doanh) OR (hang doanh)) ((cua thong) OR (cua tong)) cong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet tach - ((hanh doanh) or (hang doanh)) ((cua thong) OR (cua tong)) cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - ((hanh doanh) or (hang doanh)) ((cua thong) OR (cua tong)) cong san toan ban*.