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 va » trinh van, trinh vat, trinh ve
ban than » ban thanh, van thanh, ban hang
ban hanh » 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 va nhung cong ((ban than) or (ban hanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trinh va nhung cong ((ban than) OR (ban hanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trinh va nhung cong ((ban than) or (ban hanh)) cau*.