Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
phan dong » phan cong, phan dang, phan hong
son thanh » ban thanh, van thanh
thanh lap » thanh san, phan lap, thanh hai
dong son » dong von, dong san, hoang son

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) or (thien anh)) - thanh cong luan phan dong son thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - thanh cong luan phan dong son thanh lap.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) or (thien anh)) - thanh cong luan phan dong son thanh lap*.