Perhaps you should try some spelling variations:
thanh luan » tranh luan, thanh xuan, thanh tuan
hoc thieu » toc thieu, hoc hien
cong cong » cong dong, trong cong, dung cong
dan khoan » dan khoa, dai khoang, toan khoan
doc hieu » toc thieu, hoc hien
van cong » van dong, van phong, phan cong
cong dan » cong san, cong tan, huong dan
khoan va » doan va, khoa ma, nhan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc thieu)) manh - thanh luan van cong cong dan khoan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) manh - thanh luan van cong cong dan khoan va*.