Perhaps you should try some spelling variations:
thanh luan » tranh luan, thanh xuan, thanh tuan
cong cong » cong dong, trong cong, dung cong
hoc hieu » hoc thieu, hoc hien, doc hieu
van cong » van dong, van phong, phan cong
cong tac » cong ty
tac danh » sach danh, cac doanh, cac dan
danh ca » dan ca, doanh cua, danh cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) OR (toc thieu)) manh - thanh luan van cong cong tac danh ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (toc thieu)) manh - thanh luan van cong cong tac danh ca*".