Perhaps you should try some spelling variations:
thanh luan » tranh luan, thanh xuan, thanh tuan
luong cong » dung cong, trong cong, tong cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
cong cong » cong dong, trong cong, dung cong
luan san » luan van, luan hoan, luan phan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 - thanh luan san ((luong cong) or (cong cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh luan san ((luong cong) OR (cong cong)) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh luan san ((luong cong) or (cong cong)) dan toan ban*.