Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
lang thang » cang thang, dang thanh, hung thang
quan trong » gian trong
toc chieu » toc thieu, doc hieu, hoc thieu
lang van » dang van, tang van, hoang van
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sang - ((lang van) or (lang thang)) quan trong cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sang - ((lang van) OR (lang thang)) quan trong cong dan phan tu*.