Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
quang dung » quang trung, ung dung, cuong dung
khong luan » khong quan, khung luan, phong luan
thong luan » thong quan, tong luan, thong xuan
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
van hau » van ha, van hai, van dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc thieu)) sach - thanh tran quang dung ((khong luan) OR (thong luan)) van hau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) sach - thanh tran quang dung ((khong luan) OR (thong luan)) van hau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc thieu)) sach - thanh tran quang dung ((khong luan) OR (thong luan)) van hau".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) sach - thanh tran quang dung ((khong luan) OR (thong luan)) van hau*.