Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh vat » trinh van, trinh luat, sinh vat
hang cong » dang cong, hang nong, bang cong
vat hang » van hang, dat hang, va hang
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (hieu manh)) - hanh trinh vat hang cong ((dan than) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh vat hang cong ((dan than) OR (van than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - hanh trinh vat hang cong ((dan than) or (van than)) cau*.