Perhaps you should try some spelling variations:
trinh toant » tinh toan, trinh thanh, trinh hoan
trinh toan » tinh toan, thanh toan, trinh han
hang huong » hang thuong, hang luong, hoang phuong
huong doan » phuong doan, huong dan, huong loan
hien hanh » dieu hanh
doan phan » doanh phan, toan phan, dan phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - canh ((trinh toan) or (trinh toant)) hang huong doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - canh ((trinh toan) OR (trinh toant)) hang huong doan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh ((trinh toan) or (trinh toant)) hang huong doan phan cau*.