Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
doi chieu » doc hieu, doi chi, mot chieu
tinh than » tinh thanh, tinh toan, tinh thai
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - nhanh ((tinh than) or (trinh quan)) thanh cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - nhanh ((tinh than) OR (trinh quan)) thanh cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - nhanh ((tinh than) or (trinh quan)) thanh cong dan van ban*.