Perhaps you should try some spelling variations:
chieu xanh » chieu tinh, hieu manh
chieu sang » hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, hieu cach
hung quang » dung quang, hong quang, vung quang
quang dung » quang trung, ung dung, cuong dung
manh hung » anh huong
dung cong » dung trong
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 xanh) or (((chieu sang) or (chieu sach)))) - manh hung quang dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sang) OR (chieu sach)))) - manh hung quang dung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sang) or (chieu sach)))) - manh hung quang dung cong dan van ban*.