Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
hung cong » nhung cong, hung cuong, phung cong
luat van » luat dan, luat va, luat ban
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - hanh ((luat van) OR (luan van)) hung cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien thanh - hanh ((luat van) OR (luan van)) hung cong san than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh ((luat van) OR (luan van)) hung cong san than cau*.