Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh luan » khanh luan, hang luan, hanh luat
hung cong » nhung cong, hung cuong, phung cong
van hung » van dung, manh hung, van duong
ban than » ban thanh, van thanh, ban hang

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 luan van hung cong ((ban than) or (dan gian)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh luan van hung cong ((ban than) OR (dan gian)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh luan van hung cong ((ban than) or (dan gian)) cau*.