Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, van than, dang thanh
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 - hanh trinh cua nhung cong ((dan toan) or (((dan than) OR (ban than)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trinh cua nhung cong ((dan toan) OR (((dan than) OR (ban than)))) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh trinh cua nhung cong ((dan toan) or (((dan than) OR (ban than)))) ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trinh cua nhung cong ((dan toan) or (((dan than) OR (ban than)))) ban*.