Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
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
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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) or (hanh trinh)) cua dung cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((hanh tranh) OR (hanh trinh)) cua dung cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((hanh tranh) or (hanh trinh)) cua dung cong dan than cao*.