Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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