Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
luan chung » luan chinh
cong hoan » cong hoa, dong hoa, cong ha
ho chieu » theo chieu, hoc thieu, doi chieu
canh ban » can ban, canh dan, canh van
ban luan » bang luan, ban quan, bai luan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - canh ban luan chung ((cong hoan) or (cong san)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh ban luan chung ((cong hoan) OR (cong san)) phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh ban luan chung ((cong hoan) or (cong san)) phan tu*.