Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cang thang » cong thanh, dang thanh
hang hang » nang hang, hung thang, lang thang
dung cong » dung trong
dan chinh » dang chinh, lan chinh, van chinh
chinh cau » chinh chau, chinh ca, chinh can
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((hang hang) or (cang thang)) cua dung cong dan chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hang hang) OR (cang thang)) cua dung cong dan chinh cau*.