Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh dung » thanh dung, anh dung, hanh dong
van cong » van dong, van phong, phan cong
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than man » than ma, thanh san, tran manh
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((dieu hanh) or (chieu sang)) - hanh dung luan van cong van than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((dieu hanh) OR (chieu sang)) - hanh dung luan van cong van than man.
• Adding a wildcard symbol may retrieve word variants: theo ((dieu hanh) or (chieu sang)) - hanh dung luan van cong van than man*.