Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
hoc thien » hoc hien, hoc thieu, hoc thiet
hang nong » thang long, han tong
manh toan » thanh toan, anh tuan, tinh toan
trinh va » trinh van, trinh vat, trinh ve
san toan » van toan, dan toan, san doanh
va hang » van hang, va nang, va lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - hanh trinh va hang nong ((((san toan) or (xuan toan))) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - hanh trinh va hang nong ((((san toan) OR (xuan toan))) OR (manh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh trinh va hang nong ((((san toan) or (xuan toan))) or (manh toan)) cao*.