Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan dung » quang dung, quan duong, qua dung
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban

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 trinh quan dung ((cong dan) OR (cong tan)) ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trinh quan dung ((cong dan) OR (cong tan)) ((toan cao) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trinh quan dung ((cong dan) OR (cong tan)) ((toan cao) or (toan tap))*.