Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
van toan » van tuan, van tan, van thanh
dan than » dan chan, van than, dan 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 thieu xanh - hanh trinh cua nhung cong ((van toan) or (((dan than) or (ban than)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh cua nhung cong ((van toan) OR (((dan than) OR (ban than)))) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh cua nhung cong ((van toan) or (((dan than) or (ban than)))) ban*.