Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
hien sach » dien sach, kien sach, thien hach
suat dung » thuat dung, xuat duong, suat huong
dung cong » dung trong
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hang

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 sach - hanh trinh suat dung cong ((dan toan) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh trinh suat dung cong ((dan toan) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh trinh suat dung cong ((dan toan) or (ban than)) cau*.