Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
duong cong » dung cong, luong cong, duong trong
hanh luan » khanh luan, hang luan, hanh luat
van duong » van dong, van dung, van phong
van tan » van tuan, van ban, van tai
san van » tan van, tran van, dang 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 ((thieu xanh) or (chieu xanh)) - hanh luan van duong cong ((van tan) or (san van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh luan van duong cong ((van tan) OR (san van)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh luan van duong cong ((van tan) or (san van)) ban*.