Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh toan
chung cong » nhung cong, chong cong, phung cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trinh han » trinh quan
cong tang » cong thang, cong tan, cong lang
tang luan » dung luan
luan phan » luan van, luan hoan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - hanh ((trinh luan) or (trinh han)) chung cong tang luan phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - hanh ((trinh luan) OR (trinh han)) chung cong tang luan phan.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - hanh ((trinh luan) or (trinh han)) chung cong tang luan phan*.