Perhaps you should try some spelling variations:
thieu danh » thien danh, tieu danh, chieu xanh
lang cong » dang cong, hang cong, lang dong
bang cong » dang cong, bang song, hang cong
sang khan » sang than, dang khanh, sang a.han
van toan » van tuan, van tan, van thanh
khan cap » khan ap, than cap, khoan cam

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 danh - luan van toan ((lang cong) or (bang cong)) sang khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu danh - luan van toan ((lang cong) OR (bang cong)) sang khan cap*.