Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
theo lich » thai lich, theo sach
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
cong sang » cong san, cong lang, cong vang
cua dung » cua dang, cua dong, qua dung
sang bao » sang tao, san bao, sang bae

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((theo lich) or (chieu sach)) - manh trung cua dung cong sang bao cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((theo lich) OR (chieu sach)) - manh trung cua dung cong sang bao cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((theo lich) or (chieu sach)) - manh trung cua dung cong sang bao cao*.