Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua song
cua nong » cua cong, cuu nong, cua dong
cong dan » cong san, cong tan, cong dong
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 ((cua tong) OR (cua nong)) ((cong dan) OR (huong dan)) than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tranh ((cua tong) OR (cua nong)) ((cong dan) or (huong dan)) than cao~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh ((cua tong) OR (cua nong)) ((cong dan) or (huong dan)) than cao*.