Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
toc chieu » toc thieu, doc hieu, hoc thieu
trang dan » trang doan, tang dan, trong dan
duong lam » tuong lai, duong loi, duong va
dan dung » van dung, tin dung, ap dung
dung lam » dung luan, dung tai, dung dat

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 - hanh trang dan dung ((dung lam) or (duong lam)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - hanh trang dan dung ((dung lam) OR (duong lam)) phan tu.
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - hanh trang dan dung ((dung lam) or (duong lam)) phan tu*.