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
luan hung » luan chung, lan hung, luan ung
luan nong » luan nang, luan cong, luan dong
cong dan » cong san, cong tan, huong dan
ca cau » cua cau, cac cau, can cau

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 ((luan hung) or (luan nong)) cong dan ca cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh doanh ((luan hung) OR (luan nong)) cong dan ca cau.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh doanh ((luan hung) or (luan nong)) cong dan ca cau*.