Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
van chat » cao chat
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 (trieu tinh)) - hanh trang va thong cong ((van chat) or (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (trieu tinh)) - hanh trang va thong cong ((van chat) OR (ban than)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (trieu tinh)) - hanh trang va thong cong ((van chat) or (ban than)) ban*.