Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan lap

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 - hanh tranh cua dung cong dan ((chan cau) or (((phan cau) OR (phan tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh tranh cua dung cong dan ((chan cau) OR (((phan cau) OR (phan tu)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh tranh cua dung cong dan ((chan cau) or (((phan cau) OR (phan tu))))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh tranh cua dung cong dan ((chan cau) or (((phan cau) OR (phan tu))))*.