Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh hang » tranh hang, danh thang, manh thang
va trong » va truong, va thong, va tuong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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 - ((canh hang) OR (cang thang)) va trong cong dan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((canh hang) OR (cang thang)) va trong cong dan phan tu".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((canh hang) OR (cang thang)) va trong cong dan phan tu*.