Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
nong cong » cong cong, tong cong, nang cong
cong cua » cong cu, dong cua, huong cua
cua nong » cua cong, cuu nong, cua dong
cong dan » cong san, cong tan, huong dan
than ma » than man, than va, khan ma

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

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