Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cua khong » hua khong, cua phuong, cua thuong
cong sang » cong lang, cong vang, cong bang
canh dan » canh van, sanh dan, thanh dan
cong san » cong tac
chinh ca » chinh ta, chinh va, chinh tai
dan cua » dan ca, ban cua, dai cua

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 - canh dan cua khong ((cong san) or (cong sang)) chinh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh dan cua khong ((cong san) OR (cong sang)) chinh ca*.