Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quang » thieu quang, hieu quan, hieu qua
hanh hang » thanh hang, hang hang, hanh han
dang cong » dung cong
hang cua » mang cua, hang ca, huong cua
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (hieu quang)) - hanh hang cua dang cong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (hieu quang)) - hanh hang cua dang cong dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (hieu quang)) - hanh hang cua dang cong dan ((toan cao) or (toan tap))*.