Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
thien anh » thien danh, tien anh, thien thanh
quan dung » quang dung, quan duong, qua dung
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 ((chieu xanh) or (thien anh)) - hanh trinh quan dung cong ((dan toan) or (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - hanh trinh quan dung cong ((dan toan) OR (ban than)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (thien anh)) - hanh trinh quan dung cong ((dan toan) or (ban than)) ban*.