Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh van » trinh han, trinh quan, trinh toan
dang cong » dung cong
hoc danh » hoc dan, hoc anh, hoc hanh
van dang » van dong, van dung, van nang
cho hoc » co hoc, khoa hoc
san van » tan van, tran van, dang van
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: cho hoc danh - hanh trinh van dang cong ((san van) or (luan van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho hoc danh - hanh trinh van dang cong ((san van) OR (luan van)) ban.
• Adding a wildcard symbol may retrieve word variants: cho hoc danh - hanh trinh van dang cong ((san van) or (luan van)) ban*.