Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
ho chieu » theo chieu, hoc thieu, doi chieu
cua nong » cua cong, cuu nong, cua dong
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, than cap

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh tranh) OR (hanh trang)) cua nong ((cong tan) OR (huong dan)) than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((hanh tranh) OR (hanh trang)) cua nong ((cong tan) or (huong dan)) than cao~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh tranh) OR (hanh trang)) cua nong ((cong tan) or (huong dan)) than cao*.