Perhaps you should try some spelling variations:
thien danh » thien dang, thien thanh, thien chanh
thien anh » tien anh, thien thanh, thien chanh
cong luan » tong luan, cong tuan, dong luan
luan han » luan hoan, luan phan, luan van
han dang » phan dang, nhan dang, chan dang
dang van » hoang van, hang va
van phan » van phong, van thanh, luan phan
phan lap » phan dau

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

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