Perhaps you should try some spelling variations:
thanh trung » thanh tung
doi chieu » doc hieu, doi chi, ho chieu
trung thu » trung thuc, trong thu, rung thu
cong hung » cong chung, cong huong, cong dung
luan phan » luan van, luan hoan
hung dan » huong dan, dung dan, tung dan
dan luan » doanh luan, dung luan, tang luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (mot chieu)) sach - thanh trung thu cong hung dan luan phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (mot chieu)) sach - thanh trung thu cong hung dan luan phan*.