Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
dang cong » dung cong
bang cong » bang song, hang cong, dung cong
chu xanh » chu manh, chua xang, chuc danh
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chieu xanh)) - hanh dong luan ((dang cong) or (bang cong)) san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - hanh dong luan ((dang cong) OR (bang cong)) san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chieu xanh)) - hanh dong luan ((dang cong) or (bang cong)) san van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chieu xanh)) - hanh dong luan ((dang cong) or (bang cong)) san van ban*.