Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, hanh trinh, minh trang
hoc chieu » hoc thieu, ho chieu, hoc hien
va thong » va thuong, va phuong, he thong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
doan cau » toan cau, doan dau, doan cap

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 trang) or (canh tranh)) va thong ((cong tan) OR (cong tac)) doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((hanh trang) OR (canh tranh)) va thong ((cong tan) OR (cong tac)) doan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - ((hanh trang) or (canh tranh)) va thong ((cong tan) OR (cong tac)) doan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((hanh trang) or (canh tranh)) va thong ((cong tan) OR (cong tac)) doan cau*.