Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
thiet tach » chiet tach, thien hach, thuat tach
hanh doanh » hang doanh, doanh doanh, kinh doanh
nhung dong » nhung don, nhung cong, nhung dung
hoc thiet » hoc thieu, hoc thuyet, hoc hien
dong hoa » dong hoc, dong co
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 - ((chinh doanh) or (hanh doanh)) va nhung dong hoa ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - ((chinh doanh) OR (hanh doanh)) va nhung dong hoa ((phan cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - ((chinh doanh) or (hanh doanh)) va nhung dong hoa ((phan cau) or (phan dau))*.