Perhaps you should try some spelling variations:
thieu danh » thien danh, tieu danh, chieu xanh
van thang » van thanh, van khang, van hang
lang cong » dang cong, bang cong, lang dong
hang cong » dang cong, hang nong, bang cong
sang than » cang thang, dang thanh, sang tao
than cap » khan cap, thanh lap, thanh cac

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