Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tieu xanh » tieu danh, dieu hanh, tien anh
hanh dung » thanh dung, anh dung, hanh dong
cong vang » cong lang, cong quang, cong ngang
cong van » cong san, song van, cong tan
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 ((tieu xanh) or (chieu xanh)) - hanh dung luan van ((cong van) OR (cong vang)) than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - hanh dung luan van ((cong van) OR (cong vang)) than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (chieu xanh)) - hanh dung luan van ((cong van) OR (cong vang)) than man".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (chieu xanh)) - hanh dung luan van ((cong van) OR (cong vang)) than man*.