Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
trong sang » trong san, trong dang, trong tang
doi chieu » doc hieu, doi chi, ho chieu
sang than » cang thang, dang thanh, sang tao
cua dong » chua dong, cua cong, cua dang
qua dung » quang dung, su dung, qua song
than cau » toan cau, phan cau, than cap

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 sach - manh trung ((cua dong) or (qua dung)) trong sang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - manh trung ((cua dong) OR (qua dung)) trong sang than cau*.