Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
toc thien » toc thieu, ton thien, duoc thien
lang cong » bang cong, hang cong, lang dong
dang cong » dung cong
sat phan » sat nhan, vat phan, xuat phan
phan lap » phan dau
van van » van ban, tan van, san van

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 - luan van van ((lang cong) OR (dang cong)) sat phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thien danh - luan van van ((lang cong) OR (dang cong)) sat phan lap*".