Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
thang long » thanh cong
toc chieu » toc thieu, doc hieu, hoc thieu
dang cong » dung cong
dung dat » dung va, dung tai
tra phan » tri phan, toan phan, than phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - thanh dung dat ((dang cong) or (thang long)) tra phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - thanh dung dat ((dang cong) OR (thang long)) tra phan lap.
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - thanh dung dat ((dang cong) or (thang long)) tra phan lap*.