Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh san
cong san » cong tac
ban cua » ban quan
chan tu » phan tu, han tu, chai tu
chon tu » con tu, cho tu, chon tao
choi tu » hoi tu, cho tu, choi thuc

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 - hanh ban cua nhung cong san ((chan tu) or (((chon tu) OR (choi tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ban cua nhung cong san ((chan tu) OR (((chon tu) OR (choi tu)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ban cua nhung cong san ((chan tu) or (((chon tu) OR (choi tu))))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ban cua nhung cong san ((chan tu) or (((chon tu) OR (choi tu))))*.